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232106990 = 2523210699
BaseRepresentation
bin11011101010110…
…10101111101110
3121011202020221012
431311122233232
5433404410430
635010505222
75515606523
oct1565325756
9534666835
10232106990
1110a022465
1265895212
133911931b
1422b7d14a
151559c695
hexdd5abee

232106990 has 8 divisors (see below), whose sum is σ = 417792600. Its totient is φ = 92842792.

The previous prime is 232106929. The next prime is 232106999. The reversal of 232106990 is 99601232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232106999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11605340 + ... + 11605359.

It is an arithmetic number, because the mean of its divisors is an integer number (52224075).

Almost surely, 2232106990 is an apocalyptic number.

232106990 is a deficient number, since it is larger than the sum of its proper divisors (185685610).

232106990 is a wasteful number, since it uses less digits than its factorization.

232106990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23210706.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 232106990 is about 15235.0579257186. The cubic root of 232106990 is about 614.5578067064.

The spelling of 232106990 in words is "two hundred thirty-two million, one hundred six thousand, nine hundred ninety".

Divisors: 1 2 5 10 23210699 46421398 116053495 232106990