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1055515044 = 2231012293803
BaseRepresentation
bin111110111010011…
…110000110100100
32201120010201102210
4332322132012210
54130202440134
6252423203420
735104505223
oct7672360644
92646121383
101055515044
114a18a1091
122555a6570
1313a8a691c
14a027ccba
15629ea2e9
hex3ee9e1a4

1055515044 has 48 divisors (see below), whose sum is σ = 2498771520. Its totient is φ = 346742400.

The previous prime is 1055515031. The next prime is 1055515061. The reversal of 1055515044 is 4405155501.

It is a super-2 number, since 2×10555150442 = 2228224016220643872, which contains 22 as substring.

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, 275647 + ... + 279449.

It is an arithmetic number, because the mean of its divisors is an integer number (52057740).

Almost surely, 21055515044 is an apocalyptic number.

It is an amenable number.

1055515044 is an abundant number, since it is smaller than the sum of its proper divisors (1443256476).

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

1055515044 is a wasteful number, since it uses less digits than its factorization.

1055515044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1055515044 is about 32488.6910170293. The cubic root of 1055515044 is about 1018.1727647724.

The spelling of 1055515044 in words is "one billion, fifty-five million, five hundred fifteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 101 202 229 303 404 458 606 687 916 1212 1374 2748 3803 7606 11409 15212 22818 23129 45636 46258 69387 92516 138774 277548 384103 768206 870887 1152309 1536412 1741774 2304618 2612661 3483548 4609236 5225322 10450644 87959587 175919174 263878761 351838348 527757522 1055515044