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134788620 = 22353172467
BaseRepresentation
bin10000000100010…
…11011000001100
3100101121222020010
420002023120030
5234001213440
621212553220
73224453511
oct1002133014
9311558203
10134788620
116a0a275a
1239182810
1321c042a5
1413c89308
15bc77580
hex808b60c

134788620 has 48 divisors (see below), whose sum is σ = 389587968. Its totient is φ = 34783680.

The previous prime is 134788613. The next prime is 134788673. The reversal of 134788620 is 26887431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34374 + ... + 38093.

It is an arithmetic number, because the mean of its divisors is an integer number (8116416).

Almost surely, 2134788620 is an apocalyptic number.

134788620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134788620 is an abundant number, since it is smaller than the sum of its proper divisors (254799348).

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

134788620 is a wasteful number, since it uses less digits than its factorization.

134788620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72510 (or 72508 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 134788620 is about 11609.8501282316. The cubic root of 134788620 is about 512.7248999049.

The spelling of 134788620 in words is "one hundred thirty-four million, seven hundred eighty-eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 72467 144934 217401 289868 362335 434802 724670 869604 1087005 1449340 2174010 2246477 4348020 4492954 6739431 8985908 11232385 13478862 22464770 26957724 33697155 44929540 67394310 134788620