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316801408 = 2771132143
BaseRepresentation
bin10010111000100…
…000000110000000
3211002010011211111
4102320200012000
51122100121113
651234053104
710564524160
oct2270400600
9732104744
10316801408
1115290a650
128a11a194
1350831371
14301085a0
151cc2c13d
hex12e20180

316801408 has 64 divisors (see below), whose sum is σ = 786885120. Its totient is φ = 123425280.

The previous prime is 316801399. The next prime is 316801411. The reversal of 316801408 is 804108613.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3168014082 = 200726264221564928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316801408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6216 + ... + 25927.

It is an arithmetic number, because the mean of its divisors is an integer number (12295080).

Almost surely, 2316801408 is an apocalyptic number.

It is an amenable number.

316801408 is an abundant number, since it is smaller than the sum of its proper divisors (470083712).

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

316801408 is a wasteful number, since it uses less digits than its factorization.

316801408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32175 (or 32163 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 316801408 is about 17798.9159220442. The cubic root of 316801408 is about 681.7037782720.

The spelling of 316801408 in words is "three hundred sixteen million, eight hundred one thousand, four hundred eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 308 352 448 616 704 896 1232 1408 2464 4928 9856 32143 64286 128572 225001 257144 353573 450002 514288 707146 900004 1028576 1414292 1800008 2057152 2475011 2828584 3600016 4114304 4950022 5657168 7200032 9900044 11314336 14400064 19800088 22628672 28800128 39600176 45257344 79200352 158400704 316801408