Search a number
-
+
131850064 = 248240629
BaseRepresentation
bin1111101101111…
…01111101010000
3100012002200021201
413312331331100
5232223200224
621030000544
73160464343
oct766757520
9305080251
10131850064
11684759a5
12381a6154
13214158b8
141372245a
15b896a44
hex7dbdf50

131850064 has 10 divisors (see below), whose sum is σ = 255459530. Its totient is φ = 65925024.

The previous prime is 131850031. The next prime is 131850071. The reversal of 131850064 is 460058131.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 31449664 = 10020^2 + 5608^2 .

It is a super-3 number, since 3×1318500643 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120299 + ... + 4120330.

It is an arithmetic number, because the mean of its divisors is an integer number (25545953).

Almost surely, 2131850064 is an apocalyptic number.

It is an amenable number.

131850064 is a deficient number, since it is larger than the sum of its proper divisors (123609466).

131850064 is an equidigital number, since it uses as much as digits as its factorization.

131850064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240637 (or 8240631 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 131850064 is about 11482.5983122288. The cubic root of 131850064 is about 508.9714809372.

The spelling of 131850064 in words is "one hundred thirty-one million, eight hundred fifty thousand, sixty-four".

Divisors: 1 2 4 8 16 8240629 16481258 32962516 65925032 131850064