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23150842 = 21113611327
BaseRepresentation
bin101100001010…
…0000011111010
31121120011222121
41120110003322
521411311332
62144111454
7400531111
oct130240372
947504877
1023150842
1112082630
12790558a
134a47630
143108c78
152074797
hex16140fa

23150842 has 32 divisors (see below), whose sum is σ = 41497344. Its totient is φ = 9547200.

The previous prime is 23150839. The next prime is 23150843. The reversal of 23150842 is 24805132.

It is a super-2 number, since 2×231508422 = 1071922970617928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23150843) by changing a digit.

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, 16783 + ... + 18109.

It is an arithmetic number, because the mean of its divisors is an integer number (1296792).

Almost surely, 223150842 is an apocalyptic number.

23150842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23150842 is a deficient number, since it is larger than the sum of its proper divisors (18346502).

23150842 is a wasteful number, since it uses less digits than its factorization.

23150842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23150842 is about 4811.5321883990. The cubic root of 23150842 is about 285.0070460964.

Adding to 23150842 its reverse (24805132), we get a palindrome (47955974).

The spelling of 23150842 in words is "twenty-three million, one hundred fifty thousand, eight hundred forty-two".

Divisors: 1 2 11 13 22 26 61 122 143 286 671 793 1327 1342 1586 2654 8723 14597 17251 17446 29194 34502 80947 161894 189761 379522 890417 1052311 1780834 2104622 11575421 23150842