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212903264 = 257950461
BaseRepresentation
bin11001011000010…
…10010101100000
3112211121121101002
430230022111200
5414000401024
633043131132
75163435140
oct1454122540
9484547332
10212903264
11aa1a6412
125b373aa8
1335154482
14203c0920
1513a576ae
hexcb0a560

212903264 has 24 divisors (see below), whose sum is σ = 479032848. Its totient is φ = 91244160.

The previous prime is 212903261. The next prime is 212903267. The reversal of 212903264 is 462309212.

It is an interprime number because it is at equal distance from previous prime (212903261) and next prime (212903267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212903261) 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 3 ways as a sum of consecutive naturals, for example, 475007 + ... + 475454.

It is an arithmetic number, because the mean of its divisors is an integer number (19959702).

Almost surely, 2212903264 is an apocalyptic number.

It is an amenable number.

212903264 is an abundant number, since it is smaller than the sum of its proper divisors (266129584).

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

212903264 is an equidigital number, since it uses as much as digits as its factorization.

212903264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950478 (or 950470 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 212903264 is about 14591.2050222043. The cubic root of 212903264 is about 597.1188388477.

The spelling of 212903264 in words is "two hundred twelve million, nine hundred three thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 950461 1900922 3801844 6653227 7603688 13306454 15207376 26612908 30414752 53225816 106451632 212903264