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455255680 = 2751164667
BaseRepresentation
bin11011001000101…
…010011010000000
31011201122101101111
4123020222122000
51413021140210
6113101413104
714165416015
oct3310523200
91151571344
10455255680
11213a86370
1210856a194
1373419c79
144466970c
1529e7a88a
hex1b22a680

455255680 has 64 divisors (see below), whose sum is σ = 1187304480. Its totient is φ = 165544960.

The previous prime is 455255657. The next prime is 455255707. The reversal of 455255680 is 86552554.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25294 + ... + 39373.

Almost surely, 2455255680 is an apocalyptic number.

455255680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455255680 is an abundant number, since it is smaller than the sum of its proper divisors (732048800).

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

455255680 is a wasteful number, since it uses less digits than its factorization.

455255680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64697 (or 64685 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 455255680 is about 21336.7213976281. The cubic root of 455255680 is about 769.2812092463.

The spelling of 455255680 in words is "four hundred fifty-five million, two hundred fifty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 64667 129334 258668 323335 517336 646670 711337 1034672 1293340 1422674 2069344 2586680 2845348 3556685 4138688 5173360 5690696 7113370 8277376 10346720 11381392 14226740 20693440 22762784 28453480 41386880 45525568 56906960 91051136 113813920 227627840 455255680