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332639972 = 22711879999
BaseRepresentation
bin10011110100111…
…010111011100100
3212011220212020222
4103310322323210
51140123434342
653001343512
711146251560
oct2364727344
9764825228
10332639972
11160848375
1293497b98
1353bb85b2
143226c6a0
151e309ed2
hex13d3aee4

332639972 has 12 divisors (see below), whose sum is σ = 665280000. Its totient is φ = 142559976.

The previous prime is 332639971. The next prime is 332639977. The reversal of 332639972 is 279936233.

332639972 is an admirable number.

It is a super-2 number, since 2×3326399722 = 221298701944321568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332639971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939972 + ... + 5940027.

It is an arithmetic number, because the mean of its divisors is an integer number (55440000).

Almost surely, 2332639972 is an apocalyptic number.

It is an amenable number.

332639972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

332639972 is a wasteful number, since it uses less digits than its factorization.

332639972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880010 (or 11880008 counting only the distinct ones).

The product of its digits is 367416, while the sum is 44.

The square root of 332639972 is about 18238.4202166745. The cubic root of 332639972 is about 692.8801907338.

The spelling of 332639972 in words is "three hundred thirty-two million, six hundred thirty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 11879999 23759998 47519996 83159993 166319986 332639972