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23046840 = 2332564019
BaseRepresentation
bin101011111101…
…0101010111000
31121100220022200
41113322222320
521344444330
62141550200
7366615645
oct127725270
947326280
1023046840
1112011483
127875360
134a0c1ab
1430bcdcc
152053a60
hex15faab8

23046840 has 48 divisors (see below), whose sum is σ = 74903400. Its totient is φ = 6145728.

The previous prime is 23046811. The next prime is 23046841. The reversal of 23046840 is 4864032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23046841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31650 + ... + 32369.

Almost surely, 223046840 is an apocalyptic number.

23046840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23046840 is an abundant number, since it is smaller than the sum of its proper divisors (51856560).

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

23046840 is a wasteful number, since it uses less digits than its factorization.

23046840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64036 (or 64029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 23046840 is about 4800.7124471270. The cubic root of 23046840 is about 284.5796203118.

The spelling of 23046840 in words is "twenty-three million, forty-six thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 64019 128038 192057 256076 320095 384114 512152 576171 640190 768228 960285 1152342 1280380 1536456 1920570 2304684 2560760 2880855 3841140 4609368 5761710 7682280 11523420 23046840