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154134653 = 5310612741
BaseRepresentation
bin10010010111111…
…10100001111101
3101202000211222212
421023332201331
5303424302103
623143350205
73551060111
oct1113764175
9352024885
10154134653
117a006712
1243752365
1325c18b4a
1416683741
15d7e97d8
hex92fe87d

154134653 has 8 divisors (see below), whose sum is σ = 157248216. Its totient is φ = 151028800.

The previous prime is 154134647. The next prime is 154134679. The reversal of 154134653 is 356431451.

It can be written as a sum of positive squares in 4 ways, for example, as 33200644 + 120934009 = 5762^2 + 10997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-154134653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154134553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54863 + ... + 57603.

It is an arithmetic number, because the mean of its divisors is an integer number (19656027).

Almost surely, 2154134653 is an apocalyptic number.

It is an amenable number.

154134653 is a deficient number, since it is larger than the sum of its proper divisors (3113563).

154134653 is a wasteful number, since it uses less digits than its factorization.

154134653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 21600, while the sum is 32.

The square root of 154134653 is about 12415.0977845525. The cubic root of 154134653 is about 536.1670195424.

The spelling of 154134653 in words is "one hundred fifty-four million, one hundred thirty-four thousand, six hundred fifty-three".

Divisors: 1 53 1061 2741 56233 145273 2908201 154134653