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641372 = 22160343
BaseRepresentation
bin10011100100101011100
31012120210112
42130211130
5131010442
621425152
75310614
oct2344534
91176715
10641372
113a8966
1226b1b8
13195c14
14129a44
15ca082
hex9c95c

641372 has 6 divisors (see below), whose sum is σ = 1122408. Its totient is φ = 320684.

The previous prime is 641371. The next prime is 641387. The reversal of 641372 is 273146.

641372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6413722 = 822716084768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80168 + ... + 80175.

It is an arithmetic number, because the mean of its divisors is an integer number (187068).

2641372 is an apocalyptic number.

It is an amenable number.

641372 is a deficient number, since it is larger than the sum of its proper divisors (481036).

641372 is a wasteful number, since it uses less digits than its factorization.

641372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160347 (or 160345 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 641372 is about 800.8570409255. The cubic root of 641372 is about 86.2389245738.

The spelling of 641372 in words is "six hundred forty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 160343 320686 641372