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23477130 = 2325260857
BaseRepresentation
bin101100110001…
…1101110001010
31122011202120100
41121203232022
522002232010
62155110230
7403360305
oct131435612
948152510
1023477130
1112285796
127a42376
134b2ccc1
143191b3c
1520db2c0
hex1663b8a

23477130 has 24 divisors (see below), whose sum is σ = 61040772. Its totient is φ = 6260544.

The previous prime is 23477123. The next prime is 23477143. The reversal of 23477130 is 3177432.

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 408321 = 4803^2 + 639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23477094 and 23477103.

It is an unprimeable number.

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, 130339 + ... + 130518.

Almost surely, 223477130 is an apocalyptic number.

23477130 is an abundant number, since it is smaller than the sum of its proper divisors (37563642).

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

23477130 is a wasteful number, since it uses less digits than its factorization.

23477130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260870 (or 260867 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 23477130 is about 4845.3204228410. The cubic root of 23477130 is about 286.3397676801.

The spelling of 23477130 in words is "twenty-three million, four hundred seventy-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 260857 521714 782571 1304285 1565142 2347713 2608570 3912855 4695426 7825710 11738565 23477130