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168525049 = 7112198967
BaseRepresentation
bin10100000101101…
…11110011111001
3102202002221220111
422002313303321
5321120300144
624420024321
74114303450
oct1202676371
9382087814
10168525049
1187145400
12485320a1
1328bb6b84
141854bb97
15ebdd534
hexa0b7cf9

168525049 has 12 divisors (see below), whose sum is σ = 211701952. Its totient is φ = 131317560.

The previous prime is 168525043. The next prime is 168525073. The reversal of 168525049 is 940525861.

It is not a de Polignac number, because 168525049 - 213 = 168516857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168525043) 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, 98637 + ... + 100330.

Almost surely, 2168525049 is an apocalyptic number.

It is an amenable number.

168525049 is a deficient number, since it is larger than the sum of its proper divisors (43176903).

168525049 is a wasteful number, since it uses less digits than its factorization.

168525049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198996 (or 198985 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 168525049 is about 12981.7198013206. The cubic root of 168525049 is about 552.3590669930.

The spelling of 168525049 in words is "one hundred sixty-eight million, five hundred twenty-five thousand, forty-nine".

Divisors: 1 7 11 77 121 847 198967 1392769 2188637 15320459 24075007 168525049