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23272000 = 26532909
BaseRepresentation
bin101100011000…
…1101001000000
31121210100011221
41120301221000
521424201000
62150444424
7401544253
oct130615100
947710157
1023272000
1112155664
127963714
134a8a81b
14313b09a
15209a61a
hex1631a40

23272000 has 56 divisors (see below), whose sum is σ = 57652920. Its totient is φ = 9305600.

The previous prime is 23271991. The next prime is 23272009. The reversal of 23272000 is 27232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23271991) and next prime (23272009).

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 23270976 = 32^2 + 4824^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (23272009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 9454.

Almost surely, 223272000 is an apocalyptic number.

23272000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28826460).

23272000 is an abundant number, since it is smaller than the sum of its proper divisors (34380920).

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

23272000 is an equidigital number, since it uses as much as digits as its factorization.

23272000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 23272000 is about 4824.1061348192. The cubic root of 23272000 is about 285.5033681461.

Adding to 23272000 its reverse (27232), we get a palindrome (23299232).

The spelling of 23272000 in words is "twenty-three million, two hundred seventy-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 2909 4000 5818 8000 11636 14545 23272 29090 46544 58180 72725 93088 116360 145450 186176 232720 290900 363625 465440 581800 727250 930880 1163600 1454500 2327200 2909000 4654400 5818000 11636000 23272000