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1057274748 = 223381112071
BaseRepresentation
bin111111000001001…
…011101101111100
32201200110010022000
4333001023231330
54131130242443
6252525022300
735125454445
oct7701135574
92650403260
101057274748
114a2893192
122560b4990
1313b07187a
14a05ba2cc
1562c468d3
hex3f04bb7c

1057274748 has 48 divisors (see below), whose sum is σ = 2744689920. Its totient is φ = 351961200.

The previous prime is 1057274731. The next prime is 1057274773. The reversal of 1057274748 is 8474727501.

1057274748 is a `hidden beast` number, since 1 + 0 + 572 + 7 + 4 + 74 + 8 = 666.

It is a super-2 number, since 2×10572747482 = 2235659785516927008, which contains 22 as substring.

It is a congruent number.

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, 81553 + ... + 93623.

It is an arithmetic number, because the mean of its divisors is an integer number (57181040).

Almost surely, 21057274748 is an apocalyptic number.

1057274748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1057274748 is an abundant number, since it is smaller than the sum of its proper divisors (1687415172).

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

1057274748 is a wasteful number, since it uses less digits than its factorization.

1057274748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895 (or 12887 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The square root of 1057274748 is about 32515.7615319094. The cubic root of 1057274748 is about 1018.7382668778.

The spelling of 1057274748 in words is "one billion, fifty-seven million, two hundred seventy-four thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 811 1622 2433 3244 4866 7299 9732 12071 14598 21897 24142 29196 36213 43794 48284 72426 87588 108639 144852 217278 325917 434556 651834 1303668 9789581 19579162 29368743 39158324 58737486 88106229 117474972 176212458 264318687 352424916 528637374 1057274748