Search a number
-
+
130332387 = 31710872351
BaseRepresentation
bin1111100010010…
…11011011100011
3100002020120102110
413301023123203
5231331114022
620533250403
73141543543
oct761133343
9302216373
10130332387
1167629719
1237793a03
1321003b73
1413449323
15b69700c
hex7c4b6e3

130332387 has 16 divisors (see below), whose sum is σ = 184246272. Its totient is φ = 81667200.

The previous prime is 130332361. The next prime is 130332403. The reversal of 130332387 is 783233031.

It is not a de Polignac number, because 130332387 - 28 = 130332131 is a prime.

It is a super-2 number, since 2×1303323872 = 33973062202235538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130331387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54262 + ... + 56612.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2130332387 is an apocalyptic number.

130332387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

130332387 is a deficient number, since it is larger than the sum of its proper divisors (53913885).

130332387 is a wasteful number, since it uses less digits than its factorization.

130332387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 130332387 is about 11416.3210799276. The cubic root of 130332387 is about 507.0110793575.

The spelling of 130332387 in words is "one hundred thirty million, three hundred thirty-two thousand, three hundred eighty-seven".

Divisors: 1 3 17 51 1087 2351 3261 7053 18479 39967 55437 119901 2555537 7666611 43444129 130332387