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72693492 = 22341712081
BaseRepresentation
bin1000101010100…
…11011011110100
312001210012201120
410111103123310
5122102142432
611114023540
71541612244
oct425233364
9161705646
1072693492
1138040773
1220417bb0
13120a2801
149923b24
1565adc2c
hex45536f4

72693492 has 48 divisors (see below), whose sum is σ = 176287104. Its totient is φ = 23296000.

The previous prime is 72693469. The next prime is 72693499. The reversal of 72693492 is 29439627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72693499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33892 + ... + 35972.

It is an arithmetic number, because the mean of its divisors is an integer number (3672648).

Almost surely, 272693492 is an apocalyptic number.

It is an amenable number.

72693492 is an abundant number, since it is smaller than the sum of its proper divisors (103593612).

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

72693492 is a wasteful number, since it uses less digits than its factorization.

72693492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2198 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 72693492 is about 8526.0478534899. The cubic root of 72693492 is about 417.3481671471.

The spelling of 72693492 in words is "seventy-two million, six hundred ninety-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 41 71 82 123 142 164 213 246 284 426 492 852 2081 2911 4162 5822 6243 8324 8733 11644 12486 17466 24972 34932 85321 147751 170642 255963 295502 341284 443253 511926 591004 886506 1023852 1773012 6057791 12115582 18173373 24231164 36346746 72693492