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102485760 = 2835132053
BaseRepresentation
bin1100001101111…
…00111100000000
321010211211000220
412012330330000
5202214021020
614100343040
72353054206
oct606747400
9233754026
10102485760
115293a083
122a3a4a80
1318304080
14d87b076
158ee6240
hex61bcf00

102485760 has 144 divisors (see below), whose sum is σ = 352663584. Its totient is φ = 25214976.

The previous prime is 102485759. The next prime is 102485767. The reversal of 102485760 is 67584201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102485767) 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, 48894 + ... + 50946.

Almost surely, 2102485760 is an apocalyptic number.

102485760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102485760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176331792).

102485760 is an abundant number, since it is smaller than the sum of its proper divisors (250177824).

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

102485760 is a wasteful number, since it uses less digits than its factorization.

102485760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 102485760 is about 10123.5250777582. The cubic root of 102485760 is about 467.9734077958.

The spelling of 102485760 in words is "one hundred two million, four hundred eighty-five thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 256 260 312 320 384 390 416 480 520 624 640 768 780 832 960 1040 1248 1280 1560 1664 1920 2053 2080 2496 3120 3328 3840 4106 4160 4992 6159 6240 8212 8320 9984 10265 12318 12480 16424 16640 20530 24636 24960 26689 30795 32848 41060 49272 49920 53378 61590 65696 80067 82120 98544 106756 123180 131392 133445 160134 164240 197088 213512 246360 262784 266890 320268 328480 394176 400335 427024 492720 525568 533780 640536 656960 788352 800670 854048 985440 1067560 1281072 1313920 1576704 1601340 1708096 1970880 2135120 2562144 2627840 3202680 3416192 3941760 4270240 5124288 6405360 6832384 7883520 8540480 10248576 12810720 17080960 20497152 25621440 34161920 51242880 102485760