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131373900 = 22345272331
BaseRepresentation
bin1111101010010…
…01101101001100
3100011012111010000
413311021231030
5232112431100
621011444300
73153442200
oct765115514
9304174100
10131373900
1168180179
1237bb6690
13212a9c48
141363ab00
15b800900
hex7d49b4c

131373900 has 270 divisors, whose sum is σ = 496887468. Its totient is φ = 29937600.

The previous prime is 131373899. The next prime is 131373937. The reversal of 131373900 is 9373131.

It is a tau number, because it is divible by the number of its divisors (270).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 396735 + ... + 397065.

Almost surely, 2131373900 is an apocalyptic number.

131373900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131373900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248443734).

131373900 is an abundant number, since it is smaller than the sum of its proper divisors (365513568).

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

131373900 is a wasteful number, since it uses less digits than its factorization.

131373900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 131373900 is about 11461.8454011560. The cubic root of 131373900 is about 508.3580411413.

The spelling of 131373900 in words is "one hundred thirty-one million, three hundred seventy-three thousand, nine hundred".