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272113440 = 25351929837
BaseRepresentation
bin10000001110000…
…001111100100000
3200222000210110120
4100032001330200
51024130112230
643000200240
76512632434
oct2016017440
9628023416
10272113440
1112a667945
1277169080
13444b5a91
14281d49c4
1518d51310
hex10381f20

272113440 has 96 divisors (see below), whose sum is σ = 902301120. Its totient is φ = 68742144.

The previous prime is 272113427. The next prime is 272113451. The reversal of 272113440 is 44311272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 272113440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799 + ... + 24038.

It is an arithmetic number, because the mean of its divisors is an integer number (9398970).

Almost surely, 2272113440 is an apocalyptic number.

272113440 is a gapful number since it is divisible by the number (20) 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 272113440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451150560).

272113440 is an abundant number, since it is smaller than the sum of its proper divisors (630187680).

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

272113440 is a wasteful number, since it uses less digits than its factorization.

272113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29874 (or 29866 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 272113440 is about 16495.8612991259. The cubic root of 272113440 is about 648.0124216488.

It can be divided in two parts, 2721 and 13440, that added together give a palindrome (16161).

The spelling of 272113440 in words is "two hundred seventy-two million, one hundred thirteen thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 76 80 95 96 114 120 152 160 190 228 240 285 304 380 456 480 570 608 760 912 1140 1520 1824 2280 3040 4560 9120 29837 59674 89511 119348 149185 179022 238696 298370 358044 447555 477392 566903 596740 716088 895110 954784 1133806 1193480 1432176 1700709 1790220 2267612 2386960 2834515 2864352 3401418 3580440 4535224 4773920 5669030 6802836 7160880 8503545 9070448 11338060 13605672 14321760 17007090 18140896 22676120 27211344 34014180 45352240 54422688 68028360 90704480 136056720 272113440