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149885827 = 7131647097
BaseRepresentation
bin10001110111100…
…01001110000011
3101110000222200221
420323301032003
5301332321302
622512323511
73500002630
oct1073611603
9343028627
10149885827
1177674493
1242243597
132508bc50
1415c99187
15d25a937
hex8ef1383

149885827 has 8 divisors (see below), whose sum is σ = 184474976. Its totient is φ = 118590912.

The previous prime is 149885807. The next prime is 149885839. The reversal of 149885827 is 728588941.

It is a happy number.

149885827 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 149885827 - 211 = 149883779 is a prime.

It is a super-2 number, since 2×1498858272 = 44931522270947858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149885807) 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, 823458 + ... + 823639.

It is an arithmetic number, because the mean of its divisors is an integer number (23059372).

Almost surely, 2149885827 is an apocalyptic number.

149885827 is a deficient number, since it is larger than the sum of its proper divisors (34589149).

149885827 is a wasteful number, since it uses less digits than its factorization.

149885827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647117.

The product of its digits is 1290240, while the sum is 52.

The square root of 149885827 is about 12242.7867334198. The cubic root of 149885827 is about 531.1944426884.

The spelling of 149885827 in words is "one hundred forty-nine million, eight hundred eighty-five thousand, eight hundred twenty-seven".

Divisors: 1 7 13 91 1647097 11529679 21412261 149885827