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24996140 = 22513127757
BaseRepresentation
bin101111101011…
…0100100101100
31202000221020222
41133112210230
522344334030
62251430512
7422315021
oct137264454
952027228
1024996140
1113122a74
128455438
135242520
143469548
1522db3e5
hex17d692c

24996140 has 48 divisors (see below), whose sum is σ = 57050112. Its totient is φ = 9144576.

The previous prime is 24996133. The next prime is 24996157. The reversal of 24996140 is 4169942.

It is a self number, because there is not a number n which added to its sum of digits gives 24996140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32642 + ... + 33398.

It is an arithmetic number, because the mean of its divisors is an integer number (1188544).

Almost surely, 224996140 is an apocalyptic number.

24996140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24996140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28525056).

24996140 is an abundant number, since it is smaller than the sum of its proper divisors (32053972).

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

24996140 is a wasteful number, since it uses less digits than its factorization.

24996140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 24996140 is about 4999.6139850992. The cubic root of 24996140 is about 292.3867241021.

The spelling of 24996140 in words is "twenty-four million, nine hundred ninety-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 127 130 254 260 508 635 757 1270 1514 1651 2540 3028 3302 3785 6604 7570 8255 9841 15140 16510 19682 33020 39364 49205 96139 98410 192278 196820 384556 480695 961390 1249807 1922780 2499614 4999228 6249035 12498070 24996140