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72033196 = 22123114629
BaseRepresentation
bin1000100101100…
…10001110101100
312000112122222011
410102302032230
5121420030241
611051531004
71533162214
oct422621654
9160478864
1072033196
113772a674
1220159a64
1311c010c1
1497d1244
1564cd281
hex44b23ac

72033196 has 12 divisors (see below), whose sum is σ = 126169120. Its totient is φ = 35984880.

The previous prime is 72033193. The next prime is 72033211. The reversal of 72033196 is 69133027.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72033193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391 + ... + 12238.

Almost surely, 272033196 is an apocalyptic number.

It is an amenable number.

72033196 is a deficient number, since it is larger than the sum of its proper divisors (54135924).

72033196 is a wasteful number, since it uses less digits than its factorization.

72033196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 72033196 is about 8487.2372418827. The cubic root of 72033196 is about 416.0806904004.

The spelling of 72033196 in words is "seventy-two million, thirty-three thousand, one hundred ninety-six".

Divisors: 1 2 4 1231 2462 4924 14629 29258 58516 18008299 36016598 72033196