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134620720 = 24513129443
BaseRepresentation
bin10000000011000…
…10011000110000
3100101022102220121
420001202120300
5233430330340
621205220024
73223154143
oct1001423060
9311272817
10134620720
1169a985a3
1239101614
1321b75a40
1413c4405a
15bc4294a
hex8062630

134620720 has 40 divisors (see below), whose sum is σ = 337072176. Its totient is φ = 49705728.

The previous prime is 134620711. The next prime is 134620729. The reversal of 134620720 is 27026431.

134620720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (134620711) and next prime (134620729).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (134620729) 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, 63682 + ... + 65761.

Almost surely, 2134620720 is an apocalyptic number.

134620720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134620720 is an abundant number, since it is smaller than the sum of its proper divisors (202451456).

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

134620720 is a wasteful number, since it uses less digits than its factorization.

134620720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129469 (or 129463 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 134620720 is about 11602.6169461893. The cubic root of 134620720 is about 512.5119188186.

The spelling of 134620720 in words is "one hundred thirty-four million, six hundred twenty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 129443 258886 517772 647215 1035544 1294430 1682759 2071088 2588860 3365518 5177720 6731036 8413795 10355440 13462072 16827590 26924144 33655180 67310360 134620720