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316689890 = 25112878999
BaseRepresentation
bin10010111000000…
…100110111100010
3211001220111212012
4102320010313202
51122033034030
651231432522
710563551066
oct2270046742
9731814765
10316689890
11152843890
128a085742
13507c268a
14300b9aa6
151cc09095
hex12e04de2

316689890 has 16 divisors (see below), whose sum is σ = 621864000. Its totient is φ = 115159920.

The previous prime is 316689869. The next prime is 316689913. The reversal of 316689890 is 98986613.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1439390 + ... + 1439609.

It is an arithmetic number, because the mean of its divisors is an integer number (38866500).

Almost surely, 2316689890 is an apocalyptic number.

316689890 is a deficient number, since it is larger than the sum of its proper divisors (305174110).

316689890 is a wasteful number, since it uses less digits than its factorization.

316689890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879017.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 316689890 is about 17795.7829274241. The cubic root of 316689890 is about 681.6237795073.

The spelling of 316689890 in words is "three hundred sixteen million, six hundred eighty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 2878999 5757998 14394995 28789990 31668989 63337978 158344945 316689890