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23520942 = 23548397
BaseRepresentation
bin101100110111…
…0011010101110
31122020222200000
41121232122232
522010132232
62200045130
7403632114
oct131563256
948228600
1023520942
11123056a5
127a637a6
134b46c23
1431a3ab4
1520e927c
hex166e6ae

23520942 has 24 divisors (see below), whose sum is σ = 52850616. Its totient is φ = 7840152.

The previous prime is 23520941. The next prime is 23520947. The reversal of 23520942 is 24902532.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23520941) 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, 23713 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (2202109).

Almost surely, 223520942 is an apocalyptic number.

23520942 is an abundant number, since it is smaller than the sum of its proper divisors (29329674).

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

23520942 is an equidigital number, since it uses as much as digits as its factorization.

23520942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48414 (or 48402 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 23520942 is about 4849.8393787836. The cubic root of 23520942 is about 286.5177752739.

The spelling of 23520942 in words is "twenty-three million, five hundred twenty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 48397 96794 145191 290382 435573 871146 1306719 2613438 3920157 7840314 11760471 23520942