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23331090 = 2353721019
BaseRepresentation
bin101100100000…
…0000100010010
31121220100020110
41121000010102
521433043330
62152022150
7402211446
oct131000422
947810213
1023331090
1112195aa2
127991956
134aab6a3
143154826
1520acdb0
hex1640112

23331090 has 32 divisors (see below), whose sum is σ = 57510720. Its totient is φ = 6053184.

The previous prime is 23331073. The next prime is 23331103. The reversal of 23331090 is 9013332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9400 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (1797210).

Almost surely, 223331090 is an apocalyptic number.

23331090 is an abundant number, since it is smaller than the sum of its proper divisors (34179630).

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

23331090 is a wasteful number, since it uses less digits than its factorization.

23331090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21066.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 23331090 is about 4830.2267027542. The cubic root of 23331090 is about 285.7448047161.

The spelling of 23331090 in words is "twenty-three million, three hundred thirty-one thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 21019 42038 63057 105095 126114 210190 315285 630570 777703 1555406 2333109 3888515 4666218 7777030 11665545 23331090