Search a number
632061 = 3270229
BaseRepresentation
bin10011010010011111101
31012010000200
42122103331
5130211221
621314113
75241513
oct2322375
91163020
10632061
113a1971
12265939
13191901
141264b3
15c7426
hex9a4fd

632061 has 6 divisors (see below), whose sum is σ = 912990. Its totient is φ = 421368.

The previous prime is 632053. The next prime is 632081. The reversal of 632061 is 160236.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 36 = 795^2 + 6^2 .

It is not a de Polignac number, because 632061 - 23 = 632053 is a prime.

It is a super-2 number, since 2×6320612 = 799002215442, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35106 + ... + 35123.

It is an arithmetic number, because the mean of its divisors is an integer number (152165).

2632061 is an apocalyptic number.

It is an amenable number.

632061 is a deficient number, since it is larger than the sum of its proper divisors (280929).

632061 is a wasteful number, since it uses less digits than its factorization.

632061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70235 (or 70232 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 632061 is about 795.0226411870. The cubic root of 632061 is about 85.8195694355.

Adding to 632061 its reverse (160236), we get a palindrome (792297).

The spelling of 632061 in words is "six hundred thirty-two thousand, sixty-one".

Divisors: 1 3 9 70229 210687 632061