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25248834 = 2341319631
BaseRepresentation
bin110000001010…
…0010001000010
31202111202220000
41200110101002
522430430314
62301100430
7424416522
oct140242102
952452800
1025248834
1113285906
128557716
135300550
1434d3682
15233b209
hex1814442

25248834 has 80 divisors (see below), whose sum is σ = 64236480. Its totient is φ = 7348320.

The previous prime is 25248767. The next prime is 25248841. The reversal of 25248834 is 43884252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39699 + ... + 40329.

It is an arithmetic number, because the mean of its divisors is an integer number (802956).

Almost surely, 225248834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25248834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32118240).

25248834 is an abundant number, since it is smaller than the sum of its proper divisors (38987646).

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

25248834 is a wasteful number, since it uses less digits than its factorization.

25248834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 25248834 is about 5024.8217878846. The cubic root of 25248834 is about 293.3686995352.

The spelling of 25248834 in words is "twenty-five million, two hundred forty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 81 114 117 162 171 234 247 342 351 494 513 631 702 741 1026 1053 1262 1482 1539 1893 2106 2223 3078 3786 4446 5679 6669 8203 11358 11989 13338 16406 17037 20007 23978 24609 34074 35967 40014 49218 51111 71934 73827 102222 107901 147654 155857 215802 221481 311714 323703 442962 467571 647406 664443 935142 971109 1328886 1402713 1942218 2805426 4208139 8416278 12624417 25248834