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154042734 = 2325673789
BaseRepresentation
bin10010010111010…
…00000101101110
3101201212011220110
421023220011232
5303413331414
623141400450
73550225116
oct1113500556
9351764813
10154042734
1179a5364a
1243709126
1325bb6061
141665c046
15d7cc459
hex92e816e

154042734 has 8 divisors (see below), whose sum is σ = 308085480. Its totient is φ = 51347576.

The previous prime is 154042711. The next prime is 154042739. The reversal of 154042734 is 437240451.

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

154042734 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154042739) by changing a digit.

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, 12836889 + ... + 12836900.

It is an arithmetic number, because the mean of its divisors is an integer number (38510685).

Almost surely, 2154042734 is an apocalyptic number.

154042734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

154042734 is a wasteful number, since it uses less digits than its factorization.

154042734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25673794.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 154042734 is about 12411.3953284874. The cubic root of 154042734 is about 536.0604163538.

The spelling of 154042734 in words is "one hundred fifty-four million, forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 25673789 51347578 77021367 154042734