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272208672 = 25326714107
BaseRepresentation
bin10000001110011…
…001001100100000
3200222012122002200
4100032121030200
51024141134142
643002213200
76513510201
oct2016311440
9628178080
10272208672
1112a72244a
12771b4200
134451a228
142821b5a8
1518d6e64c
hex10399320

272208672 has 72 divisors (see below), whose sum is σ = 785702736. Its totient is φ = 89375616.

The previous prime is 272208653. The next prime is 272208679. The reversal of 272208672 is 276802272.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2722086722 = 148195122224007168, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (272208679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12243 + ... + 26349.

It is an arithmetic number, because the mean of its divisors is an integer number (10912538).

Almost surely, 2272208672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272208672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392851368).

272208672 is an abundant number, since it is smaller than the sum of its proper divisors (513494064).

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

272208672 is a wasteful number, since it uses less digits than its factorization.

272208672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190 (or 14179 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 272208672 is about 16498.7475888323. The cubic root of 272208672 is about 648.0880081655.

The spelling of 272208672 in words is "two hundred seventy-two million, two hundred eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 67 72 96 134 144 201 268 288 402 536 603 804 1072 1206 1608 2144 2412 3216 4824 6432 9648 14107 19296 28214 42321 56428 84642 112856 126963 169284 225712 253926 338568 451424 507852 677136 945169 1015704 1354272 1890338 2031408 2835507 3780676 4062816 5671014 7561352 8506521 11342028 15122704 17013042 22684056 30245408 34026084 45368112 68052168 90736224 136104336 272208672