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25052330 = 253767709
BaseRepresentation
bin101111110010…
…0010010101010
31202010210100002
41133210102222
522403133310
62252543002
7422640602
oct137442252
952123302
1025052330
1113161206
128481a62
135261c84
143481c02
1522ecda5
hex17e44aa

25052330 has 16 divisors (see below), whose sum is σ = 46313640. Its totient is φ = 9749952.

The previous prime is 25052329. The next prime is 25052341. The reversal of 25052330 is 3325052.

It can be written as a sum of positive squares in 4 ways, for example, as 18088009 + 6964321 = 4253^2 + 2639^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33485 + ... + 34224.

Almost surely, 225052330 is an apocalyptic number.

25052330 is a deficient number, since it is larger than the sum of its proper divisors (21261310).

25052330 is a wasteful number, since it uses less digits than its factorization.

25052330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67753.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25052330 is about 5005.2302644334. The cubic root of 25052330 is about 292.6056501004.

Adding to 25052330 its reverse (3325052), we get a palindrome (28377382).

The spelling of 25052330 in words is "twenty-five million, fifty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 67709 135418 338545 677090 2505233 5010466 12526165 25052330