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272016864 = 25327177937
BaseRepresentation
bin10000001101101…
…010010111100000
3200221211212222200
4100031222113200
51024114014424
642554133200
76512051040
oct2015522740
9627755880
10272016864
1112a601329
1277121200
1344480b32
14281ab720
1518d328c9
hex1036a5e0

272016864 has 144 divisors (see below), whose sum is σ = 936175968. Its totient is φ = 73138176.

The previous prime is 272016827. The next prime is 272016869. The reversal of 272016864 is 468610272.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272016869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30304 + ... + 38240.

It is an arithmetic number, because the mean of its divisors is an integer number (6501222).

Almost surely, 2272016864 is an apocalyptic number.

272016864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272016864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468087984).

272016864 is an abundant number, since it is smaller than the sum of its proper divisors (664159104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272016864 is a wasteful number, since it uses less digits than its factorization.

272016864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 272016864 is about 16492.9337596439. The cubic root of 272016864 is about 647.9357503742.

The spelling of 272016864 in words is "two hundred seventy-two million, sixteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 68 72 84 96 102 112 119 126 136 144 153 168 204 224 238 252 272 288 306 336 357 408 476 504 544 612 672 714 816 952 1008 1071 1224 1428 1632 1904 2016 2142 2448 2856 3808 4284 4896 5712 7937 8568 11424 15874 17136 23811 31748 34272 47622 55559 63496 71433 95244 111118 126992 134929 142866 166677 190488 222236 253984 269858 285732 333354 380976 404787 444472 500031 539716 571464 666708 761952 809574 888944 944503 1000062 1079432 1142928 1214361 1333416 1619148 1777888 1889006 2000124 2158864 2285856 2428722 2666832 2833509 3238296 3778012 4000248 4317728 4857444 5333664 5667018 6476592 7556024 8000496 8500527 9714888 11334036 12953184 15112048 16000992 17001054 19429776 22668072 30224096 34002108 38859552 45336144 68004216 90672288 136008432 272016864