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134949885 = 3571285237
BaseRepresentation
bin10000000101100…
…10101111111101
3100101221011102220
420002302233331
5234021344020
621220235553
73226024620
oct1002625775
9311834386
10134949885
116a1a2934
123923bbb9
1321c5c805
1413ccbdb7
15bcaa240
hex80b2bfd

134949885 has 16 divisors (see below), whose sum is σ = 246765696. Its totient is φ = 61691328.

The previous prime is 134949883. The next prime is 134949887. The reversal of 134949885 is 588949431.

It is an interprime number because it is at equal distance from previous prime (134949883) and next prime (134949887).

It is not a de Polignac number, because 134949885 - 21 = 134949883 is a prime.

It is a super-2 number, since 2×1349498852 = 36422942923026450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134949883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642514 + ... + 642723.

It is an arithmetic number, because the mean of its divisors is an integer number (15422856).

Almost surely, 2134949885 is an apocalyptic number.

134949885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134949885 is a deficient number, since it is larger than the sum of its proper divisors (111815811).

134949885 is a wasteful number, since it uses less digits than its factorization.

134949885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285252.

The product of its digits is 1244160, while the sum is 51.

The square root of 134949885 is about 11616.7932322134. The cubic root of 134949885 is about 512.9292980395.

The spelling of 134949885 in words is "one hundred thirty-four million, nine hundred forty-nine thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 1285237 3855711 6426185 8996659 19278555 26989977 44983295 134949885