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1057190988 = 223727134639
BaseRepresentation
bin111111000000110…
…111010001001100
32201200021212101210
4333000313101030
54131120102423
6252523134420
735124655320
oct7700672114
92650255353
101057190988
114a2836267
12256074410
1313b0426c9
14a0597980
1562c2bb93
hex3f03744c

1057190988 has 48 divisors (see below), whose sum is σ = 2820823040. Its totient is φ = 301878144.

The previous prime is 1057190957. The next prime is 1057190993. The reversal of 1057190988 is 8890917501.

1057190988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10571909882 = 2235305570216832288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225573 + ... + 230211.

Almost surely, 21057190988 is an apocalyptic number.

It is an amenable number.

1057190988 is an abundant number, since it is smaller than the sum of its proper divisors (1763632052).

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

1057190988 is a wasteful number, since it uses less digits than its factorization.

1057190988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 1057190988 is about 32514.4735156515. The cubic root of 1057190988 is about 1018.7113638201.

The spelling of 1057190988 in words is "one billion, fifty-seven million, one hundred ninety thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2713 4639 5426 8139 9278 10852 13917 16278 18556 18991 27834 32473 32556 37982 55668 56973 64946 75964 97419 113946 129892 194838 227892 389676 12585607 25171214 37756821 50342428 75513642 88099249 151027284 176198498 264297747 352396996 528595494 1057190988