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24012972 = 22323121517
BaseRepresentation
bin101101110011…
…0100010101100
31200011222121100
41123212202230
522121403342
62214403100
7411051444
oct133464254
950158540
1024012972
1112611335
128060490
134c89b79
143291124
152194e4c
hex16e68ac

24012972 has 36 divisors (see below), whose sum is σ = 62660416. Its totient is φ = 7745760.

The previous prime is 24012971. The next prime is 24012977. The reversal of 24012972 is 27921042.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (24012971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9643 + ... + 11874.

Almost surely, 224012972 is an apocalyptic number.

It is an amenable number.

24012972 is an abundant number, since it is smaller than the sum of its proper divisors (38647444).

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

24012972 is a wasteful number, since it uses less digits than its factorization.

24012972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21558 (or 21553 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 24012972 is about 4900.3032559220. The cubic root of 24012972 is about 288.5018737607.

The spelling of 24012972 in words is "twenty-four million, twelve thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 21517 43034 64551 86068 129102 193653 258204 387306 667027 774612 1334054 2001081 2668108 4002162 6003243 8004324 12006486 24012972