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102814272 = 263511601
BaseRepresentation
bin1100010000011…
…01001001000000
321011110111200000
412020031021000
5202310024042
614111400000
72355623031
oct610151100
9234414600
10102814272
1153043980
122a523000
13183ba762
14d924a88
15905d74c
hex620d240

102814272 has 168 divisors, whose sum is σ = 333951072. Its totient is φ = 31104000.

The previous prime is 102814237. The next prime is 102814273. The reversal of 102814272 is 272418201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102814273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170772 + ... + 171372.

It is an arithmetic number, because the mean of its divisors is an integer number (1987804).

Almost surely, 2102814272 is an apocalyptic number.

102814272 is a gapful number since it is divisible by the number (12) 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 102814272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166975536).

102814272 is an abundant number, since it is smaller than the sum of its proper divisors (231136800).

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

102814272 is an equidigital number, since it uses as much as digits as its factorization.

102814272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 102814272 is about 10139.7372747029. The cubic root of 102814272 is about 468.4728947794.

The spelling of 102814272 in words is "one hundred two million, eight hundred fourteen thousand, two hundred seventy-two".