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23272149 = 337209659
BaseRepresentation
bin101100011000…
…1101011010101
31121210100101110
41120301223111
521424202044
62150445233
7401544555
oct130615325
947710343
1023272149
111215578a
127963819
134a8a904
14313b165
15209a6b9
hex1631ad5

23272149 has 8 divisors (see below), whose sum is σ = 31868320. Its totient is φ = 15095376.

The previous prime is 23272127. The next prime is 23272157. The reversal of 23272149 is 94127232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23272149 - 28 = 23271893 is a prime.

It is a super-3 number, since 3×232721493 (a number of 23 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272199) 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 7 ways as a sum of consecutive naturals, for example, 104719 + ... + 104940.

It is an arithmetic number, because the mean of its divisors is an integer number (3983540).

Almost surely, 223272149 is an apocalyptic number.

It is an amenable number.

23272149 is a deficient number, since it is larger than the sum of its proper divisors (8596171).

23272149 is a wasteful number, since it uses less digits than its factorization.

23272149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209699.

The product of its digits is 6048, while the sum is 30.

The square root of 23272149 is about 4824.1215780699. The cubic root of 23272149 is about 285.5039774607.

The spelling of 23272149 in words is "twenty-three million, two hundred seventy-two thousand, one hundred forty-nine".

Divisors: 1 3 37 111 209659 628977 7757383 23272149