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154065538 = 2117002979
BaseRepresentation
bin10010010111011…
…01101010000010
3101201220100012001
421023231222002
5303420044123
623142054214
73550351444
oct1113555202
9351810161
10154065538
1179a697a0
124371a36a
1325bc3553
1416666494
15d7d40ad
hex92eda82

154065538 has 8 divisors (see below), whose sum is σ = 252107280. Its totient is φ = 70029780.

The previous prime is 154065473. The next prime is 154065559. The reversal of 154065538 is 835560451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154065497 and 154065506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501468 + ... + 3501511.

It is an arithmetic number, because the mean of its divisors is an integer number (31513410).

Almost surely, 2154065538 is an apocalyptic number.

154065538 is a deficient number, since it is larger than the sum of its proper divisors (98041742).

154065538 is a wasteful number, since it uses less digits than its factorization.

154065538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002992.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 154065538 is about 12412.3139663803. The cubic root of 154065538 is about 536.0868672792.

The spelling of 154065538 in words is "one hundred fifty-four million, sixty-five thousand, five hundred thirty-eight".

Divisors: 1 2 11 22 7002979 14005958 77032769 154065538