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149975853 = 31716717609
BaseRepresentation
bin10001111000001…
…11001100101101
3101110012120012020
420330013030231
5301343211403
622514300353
73500526246
oct1074071455
9343176166
10149975853
1177726095
12422876b9
13250c0c11
1415cbdccd
15d277453
hex8f0732d

149975853 has 16 divisors (see below), whose sum is σ = 213010560. Its totient is φ = 93533696.

The previous prime is 149975851. The next prime is 149975869. The reversal of 149975853 is 358579941.

149975853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149975853 - 21 = 149975851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 149975796 and 149975805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149975851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288 + ... + 17321.

It is an arithmetic number, because the mean of its divisors is an integer number (13313160).

Almost surely, 2149975853 is an apocalyptic number.

It is an amenable number.

149975853 is a deficient number, since it is larger than the sum of its proper divisors (63034707).

149975853 is a wasteful number, since it uses less digits than its factorization.

149975853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796.

The product of its digits is 1360800, while the sum is 51.

The square root of 149975853 is about 12246.4628770923. The cubic root of 149975853 is about 531.3007719319.

The spelling of 149975853 in words is "one hundred forty-nine million, nine hundred seventy-five thousand, eight hundred fifty-three".

Divisors: 1 3 17 51 167 501 2839 8517 17609 52827 299353 898059 2940703 8822109 49991951 149975853