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23982680 = 2351274721
BaseRepresentation
bin101101101111…
…1001001011000
31200010110001102
41123133021120
522114421210
62214010532
7410564231
oct133371130
950113042
1023982680
11125a05a7
128046a48
134c79147
143284088
15218aea5
hex16df258

23982680 has 32 divisors (see below), whose sum is σ = 54397440. Its totient is φ = 9515520.

The previous prime is 23982677. The next prime is 23982683. The reversal of 23982680 is 8628932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23982677) and next prime (23982683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23982683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (1699920).

Almost surely, 223982680 is an apocalyptic number.

23982680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23982680 is an abundant number, since it is smaller than the sum of its proper divisors (30414760).

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

23982680 is a wasteful number, since it uses less digits than its factorization.

23982680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 23982680 is about 4897.2114514283. The cubic root of 23982680 is about 288.3805091337.

The spelling of 23982680 in words is "twenty-three million, nine hundred eighty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 4721 5080 9442 18884 23605 37768 47210 94420 188840 599567 1199134 2398268 2997835 4796536 5995670 11991340 23982680