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457081002 = 23371209209
BaseRepresentation
bin11011001111101…
…000000010101010
31011212002010021000
4123033220002222
51414003043002
6113204455430
714220060450
oct3317500252
91155063230
10457081002
112150127a4
121090aa576
1373908a41
14449c29d0
152a1db61c
hex1b3e80aa

457081002 has 32 divisors (see below), whose sum is σ = 1160841600. Its totient is φ = 130594464.

The previous prime is 457080979. The next prime is 457081007. The reversal of 457081002 is 200180754.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (457081007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604227 + ... + 604982.

It is an arithmetic number, because the mean of its divisors is an integer number (36276300).

Almost surely, 2457081002 is an apocalyptic number.

457081002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

457081002 is an abundant number, since it is smaller than the sum of its proper divisors (703760598).

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

457081002 is a wasteful number, since it uses less digits than its factorization.

457081002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209227 (or 1209221 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 457081002 is about 21379.4527993585. The cubic root of 457081002 is about 770.3079681117.

The spelling of 457081002 in words is "four hundred fifty-seven million, eighty-one thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 1209209 2418418 3627627 7255254 8464463 10882881 16928926 21765762 25393389 32648643 50786778 65297286 76180167 152360334 228540501 457081002