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6102138 = 237145289
BaseRepresentation
bin10111010001110001111010
3102111000120010
4113101301322
53030232023
6334442350
7102603330
oct27216172
912430503
106102138
113498699
1220633b6
131358643
14b4bb50
15808093
hex5d1c7a

6102138 has 16 divisors (see below), whose sum is σ = 13947840. Its totient is φ = 1743456.

The previous prime is 6102101. The next prime is 6102139. The reversal of 6102138 is 8312016.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (6102139) 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 7 ways as a sum of consecutive naturals, for example, 72603 + ... + 72686.

It is an arithmetic number, because the mean of its divisors is an integer number (871740).

Almost surely, 26102138 is an apocalyptic number.

6102138 is an abundant number, since it is smaller than the sum of its proper divisors (7845702).

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

6102138 is a wasteful number, since it uses less digits than its factorization.

6102138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145301.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 6102138 is about 2470.2505945754. The cubic root of 6102138 is about 182.7373580146.

The spelling of 6102138 in words is "six million, one hundred two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 145289 290578 435867 871734 1017023 2034046 3051069 6102138