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101284280 = 2352532107
BaseRepresentation
bin1100000100101…
…11100110111000
321001120202220122
412002113212320
5201412044110
614014512412
72336621306
oct602274670
9231522818
10101284280
1152199419
1229b05708
1317ca3236
14d647276
158d5a255
hex60979b8

101284280 has 16 divisors (see below), whose sum is σ = 227889720. Its totient is φ = 40513696.

The previous prime is 101284279. The next prime is 101284289. The reversal of 101284280 is 82482101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101284289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266014 + ... + 1266093.

Almost surely, 2101284280 is an apocalyptic number.

101284280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101284280 is an abundant number, since it is smaller than the sum of its proper divisors (126605440).

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

101284280 is a wasteful number, since it uses less digits than its factorization.

101284280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532118 (or 2532114 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 101284280 is about 10064.0091414903. The cubic root of 101284280 is about 466.1374704173.

The spelling of 101284280 in words is "one hundred one million, two hundred eighty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2532107 5064214 10128428 12660535 20256856 25321070 50642140 101284280