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455808864 = 25371374951
BaseRepresentation
bin11011001010110…
…001011101100000
31011202200111012210
4123022301131200
51413141340424
6113121322120
714203211550
oct3312613540
91152614183
10455808864
11214323a45
12108796340
13735819b4
1444771160
152a039729
hex1b2b1760

455808864 has 96 divisors (see below), whose sum is σ = 1377686016. Its totient is φ = 129254400.

The previous prime is 455808827. The next prime is 455808877. The reversal of 455808864 is 468808554.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89589 + ... + 94539.

It is an arithmetic number, because the mean of its divisors is an integer number (14350896).

Almost surely, 2455808864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455808864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688843008).

455808864 is an abundant number, since it is smaller than the sum of its proper divisors (921877152).

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

455808864 is a wasteful number, since it uses less digits than its factorization.

455808864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108 (or 5100 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The square root of 455808864 is about 21349.6806533494. The cubic root of 455808864 is about 769.5926692507.

The spelling of 455808864 in words is "four hundred fifty-five million, eight hundred eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 137 168 224 274 336 411 548 672 822 959 1096 1644 1918 2192 2877 3288 3836 4384 4951 5754 6576 7672 9902 11508 13152 14853 15344 19804 23016 29706 30688 34657 39608 46032 59412 69314 79216 92064 103971 118824 138628 158432 207942 237648 277256 415884 475296 554512 678287 831768 1109024 1356574 1663536 2034861 2713148 3327072 4069722 4748009 5426296 8139444 9496018 10852592 14244027 16278888 18992036 21705184 28488054 32557776 37984072 56976108 65115552 75968144 113952216 151936288 227904432 455808864