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25542916 = 2272194
BaseRepresentation
bin110000101110…
…0000100000100
31210001201021221
41201130010010
523014333131
62311250124
7430053100
oct141340404
953051257
1025542916
1113466853
128679944
1353a4369
14356c900
152398411
hex185c104

25542916 has 45 divisors (see below), whose sum is σ = 54886839. Its totient is φ = 10370808.

The previous prime is 25542899. The next prime is 25542917. The reversal of 25542916 is 61924552.

It is a happy number.

The square root of 25542916 is 5054.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (25542917) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1344355 + ... + 1344373.

Almost surely, 225542916 is an apocalyptic number.

25542916 is the 5054-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25542916

25542916 is an abundant number, since it is smaller than the sum of its proper divisors (29343923).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25542916 is an frugal number, since it uses more digits than its factorization.

25542916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 28 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The cubic root of 25542916 is about 294.5032951418.

The spelling of 25542916 in words is "twenty-five million, five hundred forty-two thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 361 532 722 931 1444 1862 2527 3724 5054 6859 10108 13718 17689 27436 35378 48013 70756 96026 130321 192052 260642 336091 521284 672182 912247 1344364 1824494 3648988 6385729 12771458 25542916