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141656660 = 2257082833
BaseRepresentation
bin10000111000110…
…00001001010100
3100212112220101222
420130120021110
5242231003120
622020105512
73340030115
oct1034301124
9325486358
10141656660
1172a63822
123b535298
132346a412
1414b5620c
15c682525
hex8718254

141656660 has 12 divisors (see below), whose sum is σ = 297479028. Its totient is φ = 56662656.

The previous prime is 141656629. The next prime is 141656729. The reversal of 141656660 is 66656141.

It can be written as a sum of positive squares in 2 ways, for example, as 103266244 + 38390416 = 10162^2 + 6196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 141656660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3541397 + ... + 3541436.

It is an arithmetic number, because the mean of its divisors is an integer number (24789919).

Almost surely, 2141656660 is an apocalyptic number.

141656660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141656660 is an abundant number, since it is smaller than the sum of its proper divisors (155822368).

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

141656660 is a wasteful number, since it uses less digits than its factorization.

141656660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082842 (or 7082840 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 141656660 is about 11901.9603427335. The cubic root of 141656660 is about 521.2895263384.

The spelling of 141656660 in words is "one hundred forty-one million, six hundred fifty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 7082833 14165666 28331332 35414165 70828330 141656660