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130470037 = 499261463
BaseRepresentation
bin1111100011011…
…01000010010101
3100002111120020121
413301231002111
5231400020122
620540231541
73142656055
oct761550225
9302446217
10130470037
1167713085
123783b5b1
1321051709
1413483565
15b6c2bc7
hex7c6d095

130470037 has 4 divisors (see below), whose sum is σ = 130732000. Its totient is φ = 130208076.

The previous prime is 130470031. The next prime is 130470061. The reversal of 130470037 is 730074031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130470037 - 215 = 130437269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130469993 and 130470020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130470031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130233 + ... + 131230.

It is an arithmetic number, because the mean of its divisors is an integer number (32683000).

Almost surely, 2130470037 is an apocalyptic number.

It is an amenable number.

130470037 is a deficient number, since it is larger than the sum of its proper divisors (261963).

130470037 is an equidigital number, since it uses as much as digits as its factorization.

130470037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261962.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 130470037 is about 11422.3481386272. The cubic root of 130470037 is about 507.1895090929.

The spelling of 130470037 in words is "one hundred thirty million, four hundred seventy thousand, thirty-seven".

Divisors: 1 499 261463 130470037