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23128232 = 2331179521
BaseRepresentation
bin101100000111…
…0100010101000
31121112000222012
41120032202220
521410100412
62143415052
7400405151
oct130164250
947460865
1023128232
1112067646
1278b4488
134a3a25a
143100928
15206cc22
hex160e8a8

23128232 has 32 divisors (see below), whose sum is σ = 45100800. Its totient is φ = 11107200.

The previous prime is 23128229. The next prime is 23128241. The reversal of 23128232 is 23282132.

It is a junction number, because it is equal to n+sod(n) for n = 23128198 and 23128207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44132 + ... + 44652.

It is an arithmetic number, because the mean of its divisors is an integer number (1409400).

Almost surely, 223128232 is an apocalyptic number.

It is an amenable number.

23128232 is a deficient number, since it is larger than the sum of its proper divisors (21972568).

23128232 is a wasteful number, since it uses less digits than its factorization.

23128232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 733 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 23128232 is about 4809.1820510353. The cubic root of 23128232 is about 284.9142329384.

The spelling of 23128232 in words is "twenty-three million, one hundred twenty-eight thousand, two hundred thirty-two".

Divisors: 1 2 4 8 31 62 124 179 248 358 521 716 1042 1432 2084 4168 5549 11098 16151 22196 32302 44392 64604 93259 129208 186518 373036 746072 2891029 5782058 11564116 23128232