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149526919 = 319774937
BaseRepresentation
bin10001110100110…
…01100110000111
3101102100202101001
420322121212013
5301234330134
622500514131
73463646353
oct1072314607
9342322331
10149526919
1177449873
12420ab947
1324c94789
1415c04463
15d1d9414
hex8e99987

149526919 has 8 divisors (see below), whose sum is σ = 154539648. Its totient is φ = 144526080.

The previous prime is 149526899. The next prime is 149526931. The reversal of 149526919 is 919625941.

It is a happy number.

149526919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 149526919 - 211 = 149524871 is a prime.

It is a super-2 number, since 2×1495269192 = 44716599011265122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149526019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27819 + ... + 32755.

It is an arithmetic number, because the mean of its divisors is an integer number (19317456).

Almost surely, 2149526919 is an apocalyptic number.

149526919 is a deficient number, since it is larger than the sum of its proper divisors (5012729).

149526919 is an equidigital number, since it uses as much as digits as its factorization.

149526919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945.

The product of its digits is 174960, while the sum is 46.

The square root of 149526919 is about 12228.1200108602. The cubic root of 149526919 is about 530.7701145742.

The spelling of 149526919 in words is "one hundred forty-nine million, five hundred twenty-six thousand, nine hundred nineteen".

Divisors: 1 31 977 4937 30287 153047 4823449 149526919