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1068860940 = 223572544907
BaseRepresentation
bin111111101101011…
…000011000001100
32202111020202120020
4333231120120030
54142112022230
6254021222140
735326111440
oct7755303014
92674222506
101068860940
114a9387054
12259b61950
1314059a3c4
14a1d54820
1563c84810
hex3fb5860c

1068860940 has 48 divisors (see below), whose sum is σ = 3420356352. Its totient is φ = 244310976.

The previous prime is 1068860869. The next prime is 1068860987. The reversal of 1068860940 is 490688601.

It is a super-2 number, since 2×10688609402 = 2284927418115367200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1068860892 and 1068860901.

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, 1272034 + ... + 1272873.

It is an arithmetic number, because the mean of its divisors is an integer number (71257424).

Almost surely, 21068860940 is an apocalyptic number.

1068860940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068860940 is an abundant number, since it is smaller than the sum of its proper divisors (2351495412).

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

1068860940 is a wasteful number, since it uses less digits than its factorization.

1068860940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544926 (or 2544924 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1068860940 is about 32693.4387912927. The cubic root of 1068860940 is about 1022.4460517963.

The spelling of 1068860940 in words is "one billion, sixty-eight million, eight hundred sixty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2544907 5089814 7634721 10179628 12724535 15269442 17814349 25449070 30538884 35628698 38173605 50898140 53443047 71257396 76347210 89071745 106886094 152694420 178143490 213772188 267215235 356286980 534430470 1068860940