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130402030 = 25112514723
BaseRepresentation
bin1111100010111…
…00011011101110
3100002101002221211
413301130123232
5231340331110
620534545034
73142253563
oct761343356
9302332854
10130402030
1167676a80
123780817a
1321029785
141346686a
15b6ac98a
hex7c5c6ee

130402030 has 32 divisors (see below), whose sum is σ = 257136768. Its totient is φ = 47220000.

The previous prime is 130402001. The next prime is 130402031. The reversal of 130402030 is 30204031.

It is a super-3 number, since 3×1304020303 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130402030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25249 + ... + 29971.

It is an arithmetic number, because the mean of its divisors is an integer number (8035524).

Almost surely, 2130402030 is an apocalyptic number.

130402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130402030 is a deficient number, since it is larger than the sum of its proper divisors (126734738).

130402030 is a wasteful number, since it uses less digits than its factorization.

130402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 130402030 is about 11419.3708232985. The cubic root of 130402030 is about 507.1013702566.

Adding to 130402030 its reverse (30204031), we get a palindrome (160606061).

The spelling of 130402030 in words is "one hundred thirty million, four hundred two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 251 502 1255 2510 2761 4723 5522 9446 13805 23615 27610 47230 51953 103906 259765 519530 1185473 2370946 5927365 11854730 13040203 26080406 65201015 130402030