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25412193 = 328334019
BaseRepresentation
bin110000011110…
…0001001100001
31202211001222100
41200330021201
523001142233
62304401013
7426000012
oct140741141
952731870
1025412193
1113387614
128616169
135359a01
143537009
15236e813
hex183c261

25412193 has 12 divisors (see below), whose sum is σ = 37149840. Its totient is φ = 16736856.

The previous prime is 25412141. The next prime is 25412201. The reversal of 25412193 is 39121452.

It is not a de Polignac number, because 25412193 - 28 = 25411937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25412293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16263 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 225412193 is an apocalyptic number.

It is an amenable number.

25412193 is a deficient number, since it is larger than the sum of its proper divisors (11737647).

25412193 is a wasteful number, since it uses less digits than its factorization.

25412193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34108 (or 34105 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 25412193 is about 5041.0507833189. The cubic root of 25412193 is about 294.0000347078. Note that the first 4 decimals are identical.

The spelling of 25412193 in words is "twenty-five million, four hundred twelve thousand, one hundred ninety-three".

Divisors: 1 3 9 83 249 747 34019 102057 306171 2823577 8470731 25412193