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32480639 = 83894397
BaseRepresentation
bin111101111100…
…1110101111111
32021010012001122
41323321311333
531303340024
63120101155
7543036512
oct173716577
967105048
1032480639
1117375204
12aa647bb
136963119
144456d79
152cb8d5e
hex1ef9d7f

32480639 has 8 divisors (see below), whose sum is σ = 33248880. Its totient is φ = 31721536.

The previous prime is 32480603. The next prime is 32480641. The reversal of 32480639 is 93608423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32480639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32480599 and 32480608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32480689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 9585.

It is an arithmetic number, because the mean of its divisors is an integer number (4156110).

Almost surely, 232480639 is an apocalyptic number.

32480639 is a deficient number, since it is larger than the sum of its proper divisors (768241).

32480639 is an equidigital number, since it uses as much as digits as its factorization.

32480639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 32480639 is about 5699.1788004940. The cubic root of 32480639 is about 319.0618322702.

The spelling of 32480639 in words is "thirty-two million, four hundred eighty thousand, six hundred thirty-nine".

Divisors: 1 83 89 4397 7387 364951 391333 32480639