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25247064 = 2331051961
BaseRepresentation
bin110000001001…
…1110101011000
31202111200110110
41200103311120
522430401224
62301044320
7424411413
oct140236530
952450413
1025247064
1113284547
1285566a0
1352cc7bb
1434d2b7a
15233a929
hex1813d58

25247064 has 16 divisors (see below), whose sum is σ = 63117720. Its totient is φ = 8415680.

The previous prime is 25247059. The next prime is 25247069. The reversal of 25247064 is 46074252.

It is an interprime number because it is at equal distance from previous prime (25247059) and next prime (25247069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25247069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525957 + ... + 526004.

Almost surely, 225247064 is an apocalyptic number.

25247064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25247064 is an abundant number, since it is smaller than the sum of its proper divisors (37870656).

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

25247064 is a wasteful number, since it uses less digits than its factorization.

25247064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051970 (or 1051966 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 25247064 is about 5024.6456591485. The cubic root of 25247064 is about 293.3618441067.

The spelling of 25247064 in words is "twenty-five million, two hundred forty-seven thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 1051961 2103922 3155883 4207844 6311766 8415688 12623532 25247064