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212330992 = 2413270687
BaseRepresentation
bin11001010011111…
…10100111110000
3112210112112100211
430221332213300
5413324042432
633022553504
75155532536
oct1451764760
9483475324
10212330992
11a9945465
125b138894
1334cb3b53
14202b2156
1513992d47
hexca7e9f0

212330992 has 10 divisors (see below), whose sum is σ = 411391328. Its totient is φ = 106165488.

The previous prime is 212330983. The next prime is 212330999. The reversal of 212330992 is 299033212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635328 + ... + 6635359.

Almost surely, 2212330992 is an apocalyptic number.

It is an amenable number.

212330992 is a deficient number, since it is larger than the sum of its proper divisors (199060336).

212330992 is a wasteful number, since it uses less digits than its factorization.

212330992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13270695 (or 13270689 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 212330992 is about 14571.5816574592. The cubic root of 212330992 is about 596.5833514884.

The spelling of 212330992 in words is "two hundred twelve million, three hundred thirty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 13270687 26541374 53082748 106165496 212330992