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25240470 = 235841349
BaseRepresentation
bin110000001001…
…0001110010110
31202111100102020
41200102032112
522430143340
62300554010
7424353243
oct140221626
952440366
1025240470
111327a5a2
128552906
1352c97b8
1434d05ca
1523389d0
hex1812396

25240470 has 16 divisors (see below), whose sum is σ = 60577200. Its totient is φ = 6730784.

The previous prime is 25240447. The next prime is 25240483. The reversal of 25240470 is 7404252.

It is a self number, because there is not a number n which added to its sum of digits gives 25240470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420645 + ... + 420704.

It is an arithmetic number, because the mean of its divisors is an integer number (3786075).

Almost surely, 225240470 is an apocalyptic number.

25240470 is an abundant number, since it is smaller than the sum of its proper divisors (35336730).

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

25240470 is a wasteful number, since it uses less digits than its factorization.

25240470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841359.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 25240470 is about 5023.9894506259. The cubic root of 25240470 is about 293.3363019098.

The spelling of 25240470 in words is "twenty-five million, two hundred forty thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 841349 1682698 2524047 4206745 5048094 8413490 12620235 25240470