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4974640 = 245115653
BaseRepresentation
bin10010111110100000110000
3100100201220221
4102332200300
52233142030
6254342424
760166216
oct22764060
910321827
104974640
112898580
1217baa14
131052398
14936cb6
15683e7a
hex4be830

4974640 has 40 divisors (see below), whose sum is σ = 12619728. Its totient is φ = 1808640.

The previous prime is 4974587. The next prime is 4974649. The reversal of 4974640 is 464794.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4974596 and 4974605.

It is not an unprimeable number, because it can be changed into a prime (4974649) 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, 1947 + ... + 3706.

Almost surely, 24974640 is an apocalyptic number.

4974640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4974640 is an abundant number, since it is smaller than the sum of its proper divisors (7645088).

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

4974640 is a wasteful number, since it uses less digits than its factorization.

4974640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 4974640 is about 2230.3901004084. The cubic root of 4974640 is about 170.7080045807.

The spelling of 4974640 in words is "four million, nine hundred seventy-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 5653 11306 22612 28265 45224 56530 62183 90448 113060 124366 226120 248732 310915 452240 497464 621830 994928 1243660 2487320 4974640