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1057647282 = 231710369091
BaseRepresentation
bin111111000010100…
…110101010110010
32201201011001022120
4333002212222302
54131224203112
6252541015110
735131565526
oct7702465262
92651131276
101057647282
114a301806a
12256254496
1313b1722c3
14a0675d86
1562cbbe8c
hex3f0a6ab2

1057647282 has 16 divisors (see below), whose sum is σ = 2239723872. Its totient is φ = 331810880.

The previous prime is 1057647281. The next prime is 1057647289. The reversal of 1057647282 is 2827467501.

It is a super-2 number, since 2×10576472822 = 2237235546243975048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1057647281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5184444 + ... + 5184647.

It is an arithmetic number, because the mean of its divisors is an integer number (139982742).

Almost surely, 21057647282 is an apocalyptic number.

1057647282 is an abundant number, since it is smaller than the sum of its proper divisors (1182076590).

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

1057647282 is a wasteful number, since it uses less digits than its factorization.

1057647282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10369113.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 1057647282 is about 32521.4895415324. The cubic root of 1057647282 is about 1018.8579046782.

The spelling of 1057647282 in words is "one billion, fifty-seven million, six hundred forty-seven thousand, two hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 10369091 20738182 31107273 62214546 176274547 352549094 528823641 1057647282