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920118434 = 219191331383
BaseRepresentation
bin110110110101111…
…110010010100010
32101010100212012112
4312311332102202
53341022242214
6231145155322
731541610014
oct6665762242
92333325175
10920118434
11432423664
1221818bb42
1311881b9a1
148a2b61b4
1555ba2a3e
hex36d7e4a2

920118434 has 32 divisors (see below), whose sum is σ = 1468661760. Its totient is φ = 431125200.

The previous prime is 920118361. The next prime is 920118457. The reversal of 920118434 is 434811029.

It is a happy number.

It is a super-2 number, since 2×9201184342 = 1693235865173224712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 920118434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402207 + ... + 2402589.

It is an arithmetic number, because the mean of its divisors is an integer number (45895680).

Almost surely, 2920118434 is an apocalyptic number.

920118434 is a deficient number, since it is larger than the sum of its proper divisors (548543326).

920118434 is a wasteful number, since it uses less digits than its factorization.

920118434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 920118434 is about 30333.4540400529. The cubic root of 920118434 is about 972.6305590604.

The spelling of 920118434 in words is "nine hundred twenty million, one hundred eighteen thousand, four hundred thirty-four".

Divisors: 1 2 19 38 191 331 382 383 662 766 3629 6289 7258 7277 12578 14554 63221 73153 126442 126773 146306 253546 1201199 1389907 2402398 2408687 2779814 4817374 24213643 48427286 460059217 920118434