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457980994 = 2228990497
BaseRepresentation
bin11011010011000…
…011110001000010
31011220202211211001
4123103003301002
51414220342434
6113240042214
714230526362
oct3323036102
91156684731
10457980994
11215577999
1210946336a
1373b62593
1444b789a2
152a318114
hex1b4c3c42

457980994 has 4 divisors (see below), whose sum is σ = 686971494. Its totient is φ = 228990496.

The previous prime is 457980989. The next prime is 457981009. The reversal of 457980994 is 499089754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 274730625 + 183250369 = 16575^2 + 13537^2 .

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 as a sum of consecutive naturals, namely, 114495247 + ... + 114495250.

Almost surely, 2457980994 is an apocalyptic number.

457980994 is a deficient number, since it is larger than the sum of its proper divisors (228990500).

457980994 is a wasteful number, since it uses less digits than its factorization.

457980994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228990499.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 457980994 is about 21400.4905083972. The cubic root of 457980994 is about 770.8132151659.

The spelling of 457980994 in words is "four hundred fifty-seven million, nine hundred eighty thousand, nine hundred ninety-four".

Divisors: 1 2 228990497 457980994