Search a number
-
+
134531620 = 2256726581
BaseRepresentation
bin10000000010011…
…00101000100100
3100101010220200121
420001030220210
5233420002440
621203251324
73222333316
oct1001145044
9311126617
10134531620
1169a37663
1239079b44
1321b44312
1413c1d7b6
15bc2634a
hex804ca24

134531620 has 12 divisors (see below), whose sum is σ = 282516444. Its totient is φ = 53812640.

The previous prime is 134531611. The next prime is 134531633. The reversal of 134531620 is 26135431.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 65674816 = 8298^2 + 8104^2 .

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, 3363271 + ... + 3363310.

It is an arithmetic number, because the mean of its divisors is an integer number (23543037).

Almost surely, 2134531620 is an apocalyptic number.

134531620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134531620 is an abundant number, since it is smaller than the sum of its proper divisors (147984824).

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

134531620 is a wasteful number, since it uses less digits than its factorization.

134531620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726590 (or 6726588 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 134531620 is about 11598.7766596310. The cubic root of 134531620 is about 512.3988235728.

The spelling of 134531620 in words is "one hundred thirty-four million, five hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6726581 13453162 26906324 33632905 67265810 134531620