Search a number
-
+
166309295 = 53172331
BaseRepresentation
bin10011110100110…
…10110110101111
3102120221101110112
421322122312233
5320033344140
624300330235
74056414515
oct1172326657
9376841415
10166309295
11859716a9
124784397b
13285bc489
14181324b5
15e901c65
hex9e9adaf

166309295 has 12 divisors (see below), whose sum is σ = 200807544. Its totient is φ = 132227040.

The previous prime is 166309277. The next prime is 166309301. The reversal of 166309295 is 592903661.

It is not a de Polignac number, because 166309295 - 212 = 166305199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502280 + ... + 502610.

It is an arithmetic number, because the mean of its divisors is an integer number (16733962).

Almost surely, 2166309295 is an apocalyptic number.

166309295 is a deficient number, since it is larger than the sum of its proper divisors (34498249).

166309295 is an frugal number, since it uses more digits than its factorization.

166309295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 166309295 is about 12896.0961147163. The cubic root of 166309295 is about 549.9275882630.

The spelling of 166309295 in words is "one hundred sixty-six million, three hundred nine thousand, two hundred ninety-five".

Divisors: 1 5 317 331 1585 1655 100489 104927 502445 524635 33261859 166309295