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102293120 = 275159833
BaseRepresentation
bin1100001100011…
…01111010000000
321010111000210002
412012031322000
5202141334440
614052255132
72351322446
oct606157200
9233430702
10102293120
1152818376
122a3114a8
1318267497
14d82ab96
158ea9115
hex618de80

102293120 has 32 divisors (see below), whose sum is σ = 244546020. Its totient is φ = 40916992.

The previous prime is 102293117. The next prime is 102293143. The reversal of 102293120 is 21392201.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 17505856 = 9208^2 + 4184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102293092 and 102293101.

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 3 ways as a sum of consecutive naturals, for example, 79277 + ... + 80556.

Almost surely, 2102293120 is an apocalyptic number.

102293120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102293120 is an abundant number, since it is smaller than the sum of its proper divisors (142252900).

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

102293120 is an equidigital number, since it uses as much as digits as its factorization.

102293120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159852 (or 159840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102293120 is about 10114.0061301148. The cubic root of 102293120 is about 467.6800111299.

The spelling of 102293120 in words is "one hundred two million, two hundred ninety-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 159833 319666 639332 799165 1278664 1598330 2557328 3196660 5114656 6393320 10229312 12786640 20458624 25573280 51146560 102293120