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149392842 = 2324898807
BaseRepresentation
bin10001110011110…
…00110111001010
3101102002221110020
420321320313022
5301221032332
622454001310
73462550434
oct1071706712
9342087406
10149392842
1177368065
1242046236
1324c48741
1415bab654
15d1ae82c
hex8e78dca

149392842 has 8 divisors (see below), whose sum is σ = 298785696. Its totient is φ = 49797612.

The previous prime is 149392823. The next prime is 149392847. The reversal of 149392842 is 248293941.

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

149392842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 149392794 and 149392803.

It is not an unprimeable number, because it can be changed into a prime (149392847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12449398 + ... + 12449409.

It is an arithmetic number, because the mean of its divisors is an integer number (37348212).

Almost surely, 2149392842 is an apocalyptic number.

149392842 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.

149392842 is a wasteful number, since it uses less digits than its factorization.

149392842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24898812.

The product of its digits is 124416, while the sum is 42.

The square root of 149392842 is about 12222.6364586369. The cubic root of 149392842 is about 530.6114244287.

The spelling of 149392842 in words is "one hundred forty-nine million, three hundred ninety-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 24898807 49797614 74696421 149392842