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72401196 = 22372273797
BaseRepresentation
bin1000101000011…
…00000100101100
312001020100202210
410110030010230
5122013314241
611103450420
71536254130
oct424140454
9161210683
1072401196
11379610aa
12202b6a10
1311ccc75a
1498893c0
156552316
hex450c12c

72401196 has 48 divisors (see below), whose sum is σ = 193971456. Its totient is φ = 20589504.

The previous prime is 72401159. The next prime is 72401227. The reversal of 72401196 is 69110427.

It is a happy number.

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, 17170 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (4041072).

Almost surely, 272401196 is an apocalyptic number.

It is an amenable number.

72401196 is an abundant number, since it is smaller than the sum of its proper divisors (121570260).

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

72401196 is a wasteful number, since it uses less digits than its factorization.

72401196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 72401196 is about 8508.8892342068. The cubic root of 72401196 is about 416.7880387395.

The spelling of 72401196 in words is "seventy-two million, four hundred one thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 227 454 681 908 1362 1589 2724 3178 3797 4767 6356 7594 9534 11391 15188 19068 22782 26579 45564 53158 79737 106316 159474 318948 861919 1723838 2585757 3447676 5171514 6033433 10343028 12066866 18100299 24133732 36200598 72401196