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25828673 = 133164091
BaseRepresentation
bin110001010000…
…1110101000001
31210121020021112
41202201311001
523103004143
62321333105
7432353153
oct142416501
953536245
1025828673
1113641512
128797195
135474450
143604ad3
152402e18
hex18a1d41

25828673 has 8 divisors (see below), whose sum is σ = 28713216. Its totient is φ = 23072400.

The previous prime is 25828669. The next prime is 25828679. The reversal of 25828673 is 37682852.

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

It is not a de Polignac number, because 25828673 - 22 = 25828669 is a prime.

It is a super-3 number, since 3×258286733 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25828673.

It is not an unprimeable number, because it can be changed into a prime (25828679) 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, 31643 + ... + 32448.

It is an arithmetic number, because the mean of its divisors is an integer number (3589152).

Almost surely, 225828673 is an apocalyptic number.

It is an amenable number.

25828673 is a deficient number, since it is larger than the sum of its proper divisors (2884543).

25828673 is a wasteful number, since it uses less digits than its factorization.

25828673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64135.

The product of its digits is 161280, while the sum is 41.

The square root of 25828673 is about 5082.1917515969. The cubic root of 25828673 is about 295.5974600343.

The spelling of 25828673 in words is "twenty-five million, eight hundred twenty-eight thousand, six hundred seventy-three".

Divisors: 1 13 31 403 64091 833183 1986821 25828673