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23620146 = 23111672143
BaseRepresentation
bin101101000011…
…0101000110010
31122110000202020
41122012220302
522021321041
62202132310
7404524254
oct132065062
948400666
1023620146
1112373190
127ab1096
134b80124
1431cbcd4
152118866
hex1686a32

23620146 has 32 divisors (see below), whose sum is σ = 51867648. Its totient is φ = 7111440.

The previous prime is 23620127. The next prime is 23620153. The reversal of 23620146 is 64102632.

It is a super-2 number, since 2×236201462 = 1115822594122632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9951 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (1620864).

Almost surely, 223620146 is an apocalyptic number.

23620146 is an abundant number, since it is smaller than the sum of its proper divisors (28247502).

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

23620146 is a wasteful number, since it uses less digits than its factorization.

23620146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23620146 is about 4860.0561725149. The cubic root of 23620146 is about 286.9200244974.

Adding to 23620146 its reverse (64102632), we get a palindrome (87722778).

The spelling of 23620146 in words is "twenty-three million, six hundred twenty thousand, one hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 167 334 501 1002 1837 2143 3674 4286 5511 6429 11022 12858 23573 47146 70719 141438 357881 715762 1073643 2147286 3936691 7873382 11810073 23620146