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13148130 = 235438271
BaseRepresentation
bin110010001001…
…111111100010
3220201222211210
4302021333202
511331220010
61145450550
7216520512
oct62117742
926658753
1013148130
117470426
1244a0a56
132954778
141a63842
15124ab20
hexc89fe2

13148130 has 16 divisors (see below), whose sum is σ = 31555584. Its totient is φ = 3506160.

The previous prime is 13148119. The next prime is 13148131. The reversal of 13148130 is 3184131.

It is a junction number, because it is equal to n+sod(n) for n = 13148097 and 13148106.

It is not an unprimeable number, because it can be changed into a prime (13148131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219106 + ... + 219165.

It is an arithmetic number, because the mean of its divisors is an integer number (1972224).

Almost surely, 213148130 is an apocalyptic number.

13148130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13148130 is an abundant number, since it is smaller than the sum of its proper divisors (18407454).

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

13148130 is a wasteful number, since it uses less digits than its factorization.

13148130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438281.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13148130 is about 3626.0350246516. The cubic root of 13148130 is about 236.0231831099.

The spelling of 13148130 in words is "thirteen million, one hundred forty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 438271 876542 1314813 2191355 2629626 4382710 6574065 13148130