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25030369 = 713275059
BaseRepresentation
bin101111101111…
…0111011100001
31202002200012201
41133132323201
522401432434
62252253201
7422516560
oct137367341
952080181
1025030369
1113146761
128471201
135254c90
143477bd7
1522e6614
hex17deee1

25030369 has 8 divisors (see below), whose sum is σ = 30806720. Its totient is φ = 19804176.

The previous prime is 25030351. The next prime is 25030483. The reversal of 25030369 is 96303052.

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

It is not a de Polignac number, because 25030369 - 29 = 25029857 is a prime.

It is a super-2 number, since 2×250303692 = 1253038744552322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25030169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137439 + ... + 137620.

It is an arithmetic number, because the mean of its divisors is an integer number (3850840).

Almost surely, 225030369 is an apocalyptic number.

It is an amenable number.

25030369 is a deficient number, since it is larger than the sum of its proper divisors (5776351).

25030369 is a wasteful number, since it uses less digits than its factorization.

25030369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275079.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 25030369 is about 5003.0359782836. The cubic root of 25030369 is about 292.5201252376.

The spelling of 25030369 in words is "twenty-five million, thirty thousand, three hundred sixty-nine".

Divisors: 1 7 13 91 275059 1925413 3575767 25030369