Search a number
-
+
202151052 = 2234623923
BaseRepresentation
bin11000000110010…
…01010010001100
3112002101100010000
430003021102030
5403222313202
632020444300
75003153445
oct1403112214
9462340100
10202151052
11a4122094
1257849690
1332b5b40c
141cbc22cc
1512b3191c
hexc0c948c

202151052 has 30 divisors (see below), whose sum is σ = 528463628. Its totient is φ = 67383576.

The previous prime is 202151039. The next prime is 202151057. The reversal of 202151052 is 250151202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202151057) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 311638 + ... + 312285.

Almost surely, 2202151052 is an apocalyptic number.

It is an amenable number.

202151052 is an abundant number, since it is smaller than the sum of its proper divisors (326312576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202151052 is a wasteful number, since it uses less digits than its factorization.

202151052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623939 (or 623928 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 202151052 is about 14217.9834013126. The cubic root of 202151052 is about 586.8926472457.

The spelling of 202151052 in words is "two hundred two million, one hundred fifty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 623923 1247846 1871769 2495692 3743538 5615307 7487076 11230614 16845921 22461228 33691842 50537763 67383684 101075526 202151052