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25316070 = 23513139467
BaseRepresentation
bin110000010010…
…0101011100110
31202122012010020
41200210223212
522440103240
62302340010
7425116533
oct140445346
952565106
1025316070
111332137a
12858a606
135325030
14350dd8a
1523510d0
hex1824ae6

25316070 has 64 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 6173568.

The previous prime is 25316059. The next prime is 25316087. The reversal of 25316070 is 7061352.

It is a self number, because there is not a number n which added to its sum of digits gives 25316070.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 53977 + ... + 54443.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 225316070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25316070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33022080).

25316070 is an abundant number, since it is smaller than the sum of its proper divisors (40728090).

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

25316070 is a wasteful number, since it uses less digits than its factorization.

25316070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 25316070 is about 5031.5077263182. The cubic root of 25316070 is about 293.6288759721.

The spelling of 25316070 in words is "twenty-five million, three hundred sixteen thousand, seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 139 195 278 390 417 467 695 834 934 1390 1401 1807 2085 2335 2802 3614 4170 4670 5421 6071 7005 9035 10842 12142 14010 18070 18213 27105 30355 36426 54210 60710 64913 91065 129826 182130 194739 324565 389478 649130 843869 973695 1687738 1947390 2531607 4219345 5063214 8438690 12658035 25316070