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135429880 = 2353385747
BaseRepresentation
bin10000001001001…
…11111011111000
3100102211112212111
420010213323320
5234132224010
621234422104
73233064205
oct1004477370
9312745774
10135429880
116a4a0523
1239431934
132209a131
1413db4cac
15bd5258a
hex8127ef8

135429880 has 16 divisors (see below), whose sum is σ = 304717320. Its totient is φ = 54171936.

The previous prime is 135429863. The next prime is 135429881. The reversal of 135429880 is 88924531.

135429880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3385747 = 135429880 / (1 + 3 + 5 + 4 + 2 + 9 + 8 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135429881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692834 + ... + 1692913.

Almost surely, 2135429880 is an apocalyptic number.

135429880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135429880 is an abundant number, since it is smaller than the sum of its proper divisors (169287440).

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

135429880 is a wasteful number, since it uses less digits than its factorization.

135429880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385758 (or 3385754 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 135429880 is about 11637.4344251643. The cubic root of 135429880 is about 513.5367140734.

The spelling of 135429880 in words is "one hundred thirty-five million, four hundred twenty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 3385747 6771494 13542988 16928735 27085976 33857470 67714940 135429880