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8010925 = 52131572
BaseRepresentation
bin11110100011110010101101
3120001222220221
4132203302231
54022322200
6443411341
7125043316
oct36436255
916058827
108010925
1145817aa
122823b51
1318763c0
1410c760d
15a8391a
hex7a3cad

8010925 has 18 divisors (see below), whose sum is σ = 10766238. Its totient is φ = 5878080.

The previous prime is 8010901. The next prime is 8010929. The reversal of 8010925 is 5290108.

8010925 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 9 ways, for example, as 5248681 + 2762244 = 2291^2 + 1662^2 .

It is not a de Polignac number, because 8010925 - 211 = 8008877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 8010925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50947 + ... + 51103.

Almost surely, 28010925 is an apocalyptic number.

It is an amenable number.

8010925 is a deficient number, since it is larger than the sum of its proper divisors (2755313).

8010925 is a wasteful number, since it uses less digits than its factorization.

8010925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 8010925 is about 2830.3577512392. The cubic root of 8010925 is about 200.0910002552.

The spelling of 8010925 in words is "eight million, ten thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 65 157 325 785 2041 3925 10205 24649 51025 123245 320437 616225 1602185 8010925