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454955139 = 32172973563
BaseRepresentation
bin11011000111100…
…001000010000011
31011201002010010100
4123013201002003
51412432031024
6113051133443
714163024552
oct3307410203
91151063110
10454955139
112138a0591
12108444283
1373343232
14445cbd99
1529e1b7c9
hex1b1e1083

454955139 has 12 divisors (see below), whose sum is σ = 695813976. Its totient is φ = 285461952.

The previous prime is 454955117. The next prime is 454955143. The reversal of 454955139 is 931559454.

454955139 is a `hidden beast` number, since 45 + 4 + 95 + 513 + 9 = 666.

It is not a de Polignac number, because 454955139 - 223 = 446566531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454955094 and 454955103.

It is not an unprimeable number, because it can be changed into a prime (454955239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486629 + ... + 1486934.

It is an arithmetic number, because the mean of its divisors is an integer number (57984498).

Almost surely, 2454955139 is an apocalyptic number.

454955139 is a deficient number, since it is larger than the sum of its proper divisors (240858837).

454955139 is a wasteful number, since it uses less digits than its factorization.

454955139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973586 (or 2973583 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 454955139 is about 21329.6774237212. The cubic root of 454955139 is about 769.1118894193. Note that the first 3 decimals are identical.

The spelling of 454955139 in words is "four hundred fifty-four million, nine hundred fifty-five thousand, one hundred thirty-nine".

Divisors: 1 3 9 17 51 153 2973563 8920689 26762067 50550571 151651713 454955139