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102256480 = 2551933637
BaseRepresentation
bin1100001100001…
…00111101100000
321010102011112001
412012010331200
5202134201410
614051413344
72351110564
oct606047540
9233364461
10102256480
11527a2897
122a2b4254
13182538c1
14d81b6a4
158e9d33a
hex6184f60

102256480 has 48 divisors (see below), whose sum is σ = 254303280. Its totient is φ = 38748672.

The previous prime is 102256457. The next prime is 102256519. The reversal of 102256480 is 84652201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13779 + ... + 19858.

It is an arithmetic number, because the mean of its divisors is an integer number (5297985).

Almost surely, 2102256480 is an apocalyptic number.

102256480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102256480 is an abundant number, since it is smaller than the sum of its proper divisors (152046800).

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

102256480 is a wasteful number, since it uses less digits than its factorization.

102256480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33671 (or 33663 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102256480 is about 10112.1946183803. The cubic root of 102256480 is about 467.6241655952.

The spelling of 102256480 in words is "one hundred two million, two hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 33637 67274 134548 168185 269096 336370 538192 639103 672740 1076384 1278206 1345480 2556412 2690960 3195515 5112824 5381920 6391030 10225648 12782060 20451296 25564120 51128240 102256480