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1074755643 = 31367411311
BaseRepresentation
bin100000000001111…
…0111100000111011
32202220100020120120
41000003313200323
54200114140033
6254351424323
735430162243
oct10003674073
92686306516
101074755643
11501742905
1225bb250a3
131418824b0
14a2a4ab23
156454b1b3
hex400f783b

1074755643 has 16 divisors (see below), whose sum is σ = 1566276096. Its totient is φ = 651515040.

The previous prime is 1074755599. The next prime is 1074755699. The reversal of 1074755643 is 3465574701.

It is a happy number.

It is not a de Polignac number, because 1074755643 - 213 = 1074747451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1074755595 and 1074755604.

It is not an unprimeable number, because it can be changed into a prime (1074755743) 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, 203043 + ... + 208268.

It is an arithmetic number, because the mean of its divisors is an integer number (97892256).

Almost surely, 21074755643 is an apocalyptic number.

1074755643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1074755643 is a deficient number, since it is larger than the sum of its proper divisors (491520453).

1074755643 is a wasteful number, since it uses less digits than its factorization.

1074755643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411394.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1074755643 is about 32783.4660004094. The cubic root of 1074755643 is about 1024.3221830009.

The spelling of 1074755643 in words is "one billion, seventy-four million, seven hundred fifty-five thousand, six hundred forty-three".

Divisors: 1 3 13 39 67 201 871 2613 411311 1233933 5347043 16041129 27557837 82673511 358251881 1074755643