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1054985412 = 2231319355933
BaseRepresentation
bin111110111000011…
…100110011000100
32201112010210220210
4332320130303010
54130034013122
6252403555420
735100141135
oct7670346304
92645123823
101054985412
114a156a178
1225538bb70
1313a74c830
14a0181c8c
156294340c
hex3ee1ccc4

1054985412 has 48 divisors (see below), whose sum is σ = 2790522560. Its totient is φ = 307525248.

The previous prime is 1054985357. The next prime is 1054985419. The reversal of 1054985412 is 2145894501.

It is a super-2 number, since 2×10549854122 = 2225988439065619488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1054985419) 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, 175003 + ... + 180930.

Almost surely, 21054985412 is an apocalyptic number.

1054985412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1054985412 is an abundant number, since it is smaller than the sum of its proper divisors (1735537148).

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

1054985412 is a wasteful number, since it uses less digits than its factorization.

1054985412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355972 (or 355970 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1054985412 is about 32480.5389733606. The cubic root of 1054985412 is about 1018.0024380991.

The spelling of 1054985412 in words is "one billion, fifty-four million, nine hundred eighty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 355933 711866 1067799 1423732 2135598 4271196 4627129 6762727 9254258 13525454 13881387 18508516 20288181 27050908 27762774 40576362 55525548 81152724 87915451 175830902 263746353 351661804 527492706 1054985412