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131828396 = 2276770271
BaseRepresentation
bin1111101101110…
…00101010101100
3100012001120120012
413312320222230
5232222002041
621025312352
73160344230
oct766705254
9305046505
10131828396
1168460697
12381956b8
1321408a8b
14137185c0
15b8903eb
hex7db8aac

131828396 has 24 divisors (see below), whose sum is σ = 267595776. Its totient is φ = 55653840.

The previous prime is 131828357. The next prime is 131828443. The reversal of 131828396 is 693828131.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33260 + ... + 37011.

It is an arithmetic number, because the mean of its divisors is an integer number (11149824).

Almost surely, 2131828396 is an apocalyptic number.

It is an amenable number.

131828396 is an abundant number, since it is smaller than the sum of its proper divisors (135767380).

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

131828396 is a wasteful number, since it uses less digits than its factorization.

131828396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70349 (or 70347 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 131828396 is about 11481.6547587880. The cubic root of 131828396 is about 508.9435982602.

The spelling of 131828396 in words is "one hundred thirty-one million, eight hundred twenty-eight thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1876 70271 140542 281084 491897 983794 1967588 4708157 9416314 18832628 32957099 65914198 131828396