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149385501 = 3228159069
BaseRepresentation
bin10001110011101…
…11000100011101
3101102002120101100
420321313010131
5301220314001
622453503313
73462520146
oct1071670435
9342076340
10149385501
11773625a1
1242041b39
1324c452b5
1415ba8acd
15d1ac586
hex8e7711d

149385501 has 12 divisors (see below), whose sum is σ = 216550620. Its totient is φ = 99234240.

The previous prime is 149385499. The next prime is 149385517. The reversal of 149385501 is 105583941.

149385501 is a `hidden beast` number, since 14 + 93 + 8 + 550 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107122500 + 42263001 = 10350^2 + 6501^2 .

It is not a de Polignac number, because 149385501 - 21 = 149385499 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149385541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27006 + ... + 32063.

It is an arithmetic number, because the mean of its divisors is an integer number (18045885).

Almost surely, 2149385501 is an apocalyptic number.

It is an amenable number.

149385501 is a deficient number, since it is larger than the sum of its proper divisors (67165119).

149385501 is a wasteful number, since it uses less digits than its factorization.

149385501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59356 (or 59353 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 149385501 is about 12222.3361514892. The cubic root of 149385501 is about 530.6027330657.

The spelling of 149385501 in words is "one hundred forty-nine million, three hundred eighty-five thousand, five hundred one".

Divisors: 1 3 9 281 843 2529 59069 177207 531621 16598389 49795167 149385501