Search a number
-
+
134802980 = 22513518473
BaseRepresentation
bin10000000100011…
…10111000100100
3100101122200220222
420002032320210
5234002143410
621213143512
73224543414
oct1002167044
9311580828
10134802980
116a102524
123918ab98
1321c0a9a0
1413c90644
15bc7b955
hex808ee24

134802980 has 24 divisors (see below), whose sum is σ = 304862712. Its totient is φ = 49773312.

The previous prime is 134802971. The next prime is 134802989. The reversal of 134802980 is 89208431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134802971) and next prime (134802989).

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 129640996 = 2272^2 + 11386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134802980.

It is not an unprimeable number, because it can be changed into a prime (134802989) 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, 258977 + ... + 259496.

It is an arithmetic number, because the mean of its divisors is an integer number (12702613).

Almost surely, 2134802980 is an apocalyptic number.

134802980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134802980 is an abundant number, since it is smaller than the sum of its proper divisors (170059732).

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

134802980 is a wasteful number, since it uses less digits than its factorization.

134802980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518495 (or 518493 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 134802980 is about 11610.4685521300. The cubic root of 134802980 is about 512.7431073473.

The spelling of 134802980 in words is "one hundred thirty-four million, eight hundred two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 518473 1036946 2073892 2592365 5184730 6740149 10369460 13480298 26960596 33700745 67401490 134802980