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102254112 = 2532355049
BaseRepresentation
bin1100001100001…
…00011000100000
321010102001021100
412012010120200
5202134112422
614051354400
72351100642
oct606043040
9233361240
10102254112
11527a1034
122a2b2a00
13182527bc
14d81a892
158e9c7ac
hex6184620

102254112 has 36 divisors (see below), whose sum is σ = 290785950. Its totient is φ = 34084608.

The previous prime is 102254111. The next prime is 102254161. The reversal of 102254112 is 211452201.

It can be written as a sum of positive squares in only one way, i.e., 56610576 + 45643536 = 7524^2 + 6756^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102254111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177237 + ... + 177812.

Almost surely, 2102254112 is an apocalyptic number.

102254112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102254112 is an abundant number, since it is smaller than the sum of its proper divisors (188531838).

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

102254112 is a wasteful number, since it uses less digits than its factorization.

102254112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355065 (or 355054 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102254112 is about 10112.0775313483. The cubic root of 102254112 is about 467.6205559052.

The spelling of 102254112 in words is "one hundred two million, two hundred fifty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 355049 710098 1065147 1420196 2130294 2840392 3195441 4260588 5680784 6390882 8521176 11361568 12781764 17042352 25563528 34084704 51127056 102254112