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213032088 = 23323779967
BaseRepresentation
bin11001011001010…
…01110010011000
3112211212011002100
430230221302120
5414014011323
633050003400
75164512543
oct1454516230
9484764070
10213032088
11aa284185
125b416560
133519acb9
142041585a
1513a80943
hexcb29c98

213032088 has 48 divisors (see below), whose sum is σ = 592562880. Its totient is φ = 69090624.

The previous prime is 213031991. The next prime is 213032089. The reversal of 213032088 is 880230312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37320 + ... + 42647.

It is an arithmetic number, because the mean of its divisors is an integer number (12345060).

Almost surely, 2213032088 is an apocalyptic number.

It is an amenable number.

213032088 is an abundant number, since it is smaller than the sum of its proper divisors (379530792).

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

213032088 is a wasteful number, since it uses less digits than its factorization.

213032088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80016 (or 80009 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 213032088 is about 14595.6187946932. The cubic root of 213032088 is about 597.2392499147.

The spelling of 213032088 in words is "two hundred thirteen million, thirty-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 79967 159934 239901 319868 479802 639736 719703 959604 1439406 1919208 2878812 2958779 5757624 5917558 8876337 11835116 17752674 23670232 26629011 35505348 53258022 71010696 106516044 213032088