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149790785 = 5127235891
BaseRepresentation
bin10001110110110…
…10000001000001
3101102212011022212
420323122001001
5301321301120
622510311505
73466125554
oct1073320101
9342764285
10149790785
117760a041
12421b8595
1325057901
1415c7269b
15d23c6c5
hex8eda041

149790785 has 8 divisors (see below), whose sum is σ = 181165056. Its totient is φ = 118888560.

The previous prime is 149790769. The next prime is 149790787. The reversal of 149790785 is 587097941.

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

It is not a de Polignac number, because 149790785 - 24 = 149790769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149790787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117311 + ... + 118580.

It is an arithmetic number, because the mean of its divisors is an integer number (22645632).

Almost surely, 2149790785 is an apocalyptic number.

It is an amenable number.

149790785 is a deficient number, since it is larger than the sum of its proper divisors (31374271).

149790785 is a wasteful number, since it uses less digits than its factorization.

149790785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236023.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 149790785 is about 12238.9045669945. The cubic root of 149790785 is about 531.0821428623.

The spelling of 149790785 in words is "one hundred forty-nine million, seven hundred ninety thousand, seven hundred eighty-five".

Divisors: 1 5 127 635 235891 1179455 29958157 149790785