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131076030 = 2354369201
BaseRepresentation
bin1111101000000…
…00111110111110
3100010122100111210
413310000332332
5232023413110
621001225250
73151061601
oct764007676
9303570453
10131076030
1167a973a8
1237a92226
13212044a7
14135a0338
15b792520
hex7d00fbe

131076030 has 16 divisors (see below), whose sum is σ = 314582544. Its totient is φ = 34953600.

The previous prime is 131075999. The next prime is 131076031. The reversal of 131076030 is 30670131.

It is a junction number, because it is equal to n+sod(n) for n = 131075988 and 131076006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131076031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184571 + ... + 2184630.

It is an arithmetic number, because the mean of its divisors is an integer number (19661409).

Almost surely, 2131076030 is an apocalyptic number.

131076030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131076030 is an abundant number, since it is smaller than the sum of its proper divisors (183506514).

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

131076030 is a wasteful number, since it uses less digits than its factorization.

131076030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369211.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 131076030 is about 11448.8440464529. The cubic root of 131076030 is about 507.9735426525.

The spelling of 131076030 in words is "one hundred thirty-one million, seventy-six thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4369201 8738402 13107603 21846005 26215206 43692010 65538015 131076030