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25825130 = 258929017
BaseRepresentation
bin110001010000…
…0111101101010
31210121001102022
41202200331222
523102401010
62321304442
7432336632
oct142407552
953531368
1025825130
1113639891
128795122
135472956
1436036c2
152401d55
hex18a0f6a

25825130 has 16 divisors (see below), whose sum is σ = 47009160. Its totient is φ = 10213632.

The previous prime is 25825117. The next prime is 25825153. The reversal of 25825130 is 3152852.

It can be written as a sum of positive squares in 4 ways, for example, as 12524521 + 13300609 = 3539^2 + 3647^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25825130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13619 + ... + 15398.

Almost surely, 225825130 is an apocalyptic number.

25825130 is a deficient number, since it is larger than the sum of its proper divisors (21184030).

25825130 is a wasteful number, since it uses less digits than its factorization.

25825130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29113.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 25825130 is about 5081.8431695596. The cubic root of 25825130 is about 295.5839434064.

Adding to 25825130 its reverse (3152852), we get a palindrome (28977982).

The spelling of 25825130 in words is "twenty-five million, eight hundred twenty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 29017 58034 145085 290170 2582513 5165026 12912565 25825130