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634941 = 3270549
BaseRepresentation
bin10011011000000111101
31012020222100
42123000331
5130304231
621335313
75253066
oct2330075
91166870
10634941
113a404a
12267539
13193008
1412756d
15c81e6
hex9b03d

634941 has 6 divisors (see below), whose sum is σ = 917150. Its totient is φ = 423288.

The previous prime is 634939. The next prime is 634943. The reversal of 634941 is 149436.

634941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (634939) and next prime (634943).

It can be written as a sum of positive squares in only one way, i.e., 632025 + 2916 = 795^2 + 54^2 .

It is not a de Polignac number, because 634941 - 21 = 634939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634943) 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, 35266 + ... + 35283.

2634941 is an apocalyptic number.

It is an amenable number.

634941 is a deficient number, since it is larger than the sum of its proper divisors (282209).

634941 is a wasteful number, since it uses less digits than its factorization.

634941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70555 (or 70552 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 634941 is about 796.8318517730. The cubic root of 634941 is about 85.9497182187.

The spelling of 634941 in words is "six hundred thirty-four thousand, nine hundred forty-one".

Divisors: 1 3 9 70549 211647 634941