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1057475760 = 243511400559
BaseRepresentation
bin111111000001111…
…100110010110000
32201200211100000220
4333001330302300
54131203211020
6252533213040
735130252465
oct7701746260
92650740026
101057475760
114a2a10210
12256191180
1313b112203
14a062d66c
1562c86240
hex3f07ccb0

1057475760 has 80 divisors (see below), whose sum is σ = 3576199680. Its totient is φ = 256357120.

The previous prime is 1057475759. The next prime is 1057475767. The reversal of 1057475760 is 675747501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10574757602 = 2236509965975155200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057475767) 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, 197640 + ... + 202919.

It is an arithmetic number, because the mean of its divisors is an integer number (44702496).

Almost surely, 21057475760 is an apocalyptic number.

1057475760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057475760 is an abundant number, since it is smaller than the sum of its proper divisors (2518723920).

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

1057475760 is a wasteful number, since it uses less digits than its factorization.

1057475760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400586 (or 400580 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 1057475760 is about 32518.8523782744. The cubic root of 1057475760 is about 1018.8028245659.

The spelling of 1057475760 in words is "one billion, fifty-seven million, four hundred seventy-five thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 400559 801118 1201677 1602236 2002795 2403354 3204472 4005590 4406149 4806708 6008385 6408944 8011180 8812298 9613416 12016770 13218447 16022360 17624596 19226832 22030745 24033540 26436894 32044720 35249192 44061490 48067080 52873788 66092235 70498384 88122980 96134160 105747576 132184470 176245960 211495152 264368940 352491920 528737880 1057475760