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72412 = 2243421
BaseRepresentation
bin10001101011011100
310200022221
4101223130
54304122
61315124
7421054
oct215334
9120287
1072412
114a44a
1235aa4
1326c62
141c564
15166c7
hex11adc

72412 has 12 divisors (see below), whose sum is σ = 129976. Its totient is φ = 35280.

The previous prime is 72383. The next prime is 72421. The reversal of 72412 is 21427.

72412 is nontrivially palindromic in base 13.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39 + ... + 382.

272412 is an apocalyptic number.

It is an amenable number.

72412 is a deficient number, since it is larger than the sum of its proper divisors (57564).

72412 is a wasteful number, since it uses less digits than its factorization.

72412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its digits is 112, while the sum is 16.

The square root of 72412 is about 269.0947788420. The cubic root of 72412 is about 41.6808769309.

Adding to 72412 its reverse (21427), we get a palindrome (93839).

It can be divided in two parts, 72 and 412, that added together give a palindrome (484).

The spelling of 72412 in words is "seventy-two thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 43 86 172 421 842 1684 18103 36206 72412