Search a number
-
+
131876080 = 2457235493
BaseRepresentation
bin1111101110001…
…00010011110000
3100012010222222021
413313010103300
5232230013310
621030321224
73160633240
oct767042360
9305128867
10131876080
11684934a6
12381b9214
13214246ab
141372bb20
15b89e5da
hex7dc44f0

131876080 has 40 divisors (see below), whose sum is σ = 350415072. Its totient is φ = 45214464.

The previous prime is 131876071. The next prime is 131876081. The reversal of 131876080 is 80678131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131876081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117187 + ... + 118306.

Almost surely, 2131876080 is an apocalyptic number.

131876080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131876080 is an abundant number, since it is smaller than the sum of its proper divisors (218538992).

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

131876080 is a wasteful number, since it uses less digits than its factorization.

131876080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235513 (or 235507 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 131876080 is about 11483.7311009967. The cubic root of 131876080 is about 509.0049546442.

The spelling of 131876080 in words is "one hundred thirty-one million, eight hundred seventy-six thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 235493 470986 941972 1177465 1648451 1883944 2354930 3296902 3767888 4709860 6593804 8242255 9419720 13187608 16484510 18839440 26375216 32969020 65938040 131876080