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632940093 = 32371900721
BaseRepresentation
bin100101101110011…
…110011000111101
31122002222200120200
4211232132120331
52244013040333
6142450034113
721453621252
oct4556363075
91562880520
10632940093
112a5307295
12157b78939
13a118cb86
14600bd429
153a877c13
hex25b9e63d

632940093 has 12 divisors (see below), whose sum is σ = 938956668. Its totient is φ = 410555520.

The previous prime is 632940071. The next prime is 632940157. The reversal of 632940093 is 390049236.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 568250244 + 64689849 = 23838^2 + 8043^2 .

It is not a de Polignac number, because 632940093 - 26 = 632940029 is a prime.

It is a super-2 number, since 2×6329400932 = 801226322653697298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632948093) 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, 950028 + ... + 950693.

It is an arithmetic number, because the mean of its divisors is an integer number (78246389).

Almost surely, 2632940093 is an apocalyptic number.

It is an amenable number.

632940093 is a deficient number, since it is larger than the sum of its proper divisors (306016575).

632940093 is a wasteful number, since it uses less digits than its factorization.

632940093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900764 (or 1900761 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 632940093 is about 25158.3006779075. The cubic root of 632940093 is about 858.5933797753.

The spelling of 632940093 in words is "six hundred thirty-two million, nine hundred forty thousand, ninety-three".

Divisors: 1 3 9 37 111 333 1900721 5702163 17106489 70326677 210980031 632940093