Search a number
-
+
163073157 = 3134397241
BaseRepresentation
bin10011011100001…
…00110010000101
3102100211222022120
421232010302011
5313221320112
624103120153
74020045642
oct1156046205
9370758276
10163073157
1184061305
1246743059
1327a284c0
141792cdc9
15e4b2e8c
hex9b84c85

163073157 has 16 divisors (see below), whose sum is σ = 239604288. Its totient is φ = 98017920.

The previous prime is 163073153. The next prime is 163073189. The reversal of 163073157 is 751370361.

It is not a de Polignac number, because 163073157 - 22 = 163073153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163073153) 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, 46944 + ... + 50297.

It is an arithmetic number, because the mean of its divisors is an integer number (14975268).

Almost surely, 2163073157 is an apocalyptic number.

It is an amenable number.

163073157 is a deficient number, since it is larger than the sum of its proper divisors (76531131).

163073157 is a wasteful number, since it uses less digits than its factorization.

163073157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97300.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 163073157 is about 12770.0100626429. The cubic root of 163073157 is about 546.3372676408.

The spelling of 163073157 in words is "one hundred sixty-three million, seventy-three thousand, one hundred fifty-seven".

Divisors: 1 3 13 39 43 129 559 1677 97241 291723 1264133 3792399 4181363 12544089 54357719 163073157