Search a number
-
+
137441620 = 2256872081
BaseRepresentation
bin10000011000100…
…11000101010100
3100120121202110101
420030103011110
5240141112440
621345503444
73256143301
oct1014230524
9316552411
10137441620
1170644a18
123a041b84
1322622a04
141437a0a8
15c0ed69a
hex8313154

137441620 has 12 divisors (see below), whose sum is σ = 288627444. Its totient is φ = 54976640.

The previous prime is 137441597. The next prime is 137441639. The reversal of 137441620 is 26144731.

It can be written as a sum of positive squares in 2 ways, for example, as 101848464 + 35593156 = 10092^2 + 5966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436021 + ... + 3436060.

It is an arithmetic number, because the mean of its divisors is an integer number (24052287).

Almost surely, 2137441620 is an apocalyptic number.

137441620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137441620 is an abundant number, since it is smaller than the sum of its proper divisors (151185824).

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

137441620 is a wasteful number, since it uses less digits than its factorization.

137441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872090 (or 6872088 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 137441620 is about 11723.5498037071. The cubic root of 137441620 is about 516.0669994928.

The spelling of 137441620 in words is "one hundred thirty-seven million, four hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6872081 13744162 27488324 34360405 68720810 137441620