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130203474 = 2321700579
BaseRepresentation
bin1111100001010…
…11111101010010
3100002000000120220
413300223331102
5231313002344
620530413510
73140465652
oct760537522
9302000526
10130203474
1167550885
1237731296
1320c8a29b
1413414362
15b66dc19
hex7c2bf52

130203474 has 8 divisors (see below), whose sum is σ = 260406960. Its totient is φ = 43401156.

The previous prime is 130203473. The next prime is 130203487. The reversal of 130203474 is 474302031.

It is a sphenic number, since it is the product of 3 distinct primes.

130203474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (130203473) 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, 10850284 + ... + 10850295.

It is an arithmetic number, because the mean of its divisors is an integer number (32550870).

Almost surely, 2130203474 is an apocalyptic number.

130203474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130203474 is a wasteful number, since it uses less digits than its factorization.

130203474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700584.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130203474 is about 11410.6736873859. The cubic root of 130203474 is about 506.8438610573.

The spelling of 130203474 in words is "one hundred thirty million, two hundred three thousand, four hundred seventy-four".

Divisors: 1 2 3 6 21700579 43401158 65101737 130203474