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4979642 = 22639467
BaseRepresentation
bin10010111111101110111010
3100100222210012
4102333232322
52233322032
6254421522
760216623
oct22775672
910328705
104979642
1128a1308
1218018a2
131054745
14938a4a
156856b2
hex4bfbba

4979642 has 8 divisors (see below), whose sum is σ = 7498656. Its totient is φ = 2480092.

The previous prime is 4979633. The next prime is 4979647. The reversal of 4979642 is 2469794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4979642.

It is not an unprimeable number, because it can be changed into a prime (4979647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (937332).

Almost surely, 24979642 is an apocalyptic number.

4979642 is a deficient number, since it is larger than the sum of its proper divisors (2519014).

4979642 is a wasteful number, since it uses less digits than its factorization.

4979642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732.

The product of its digits is 108864, while the sum is 41.

The square root of 4979642 is about 2231.5111471826. The cubic root of 4979642 is about 170.7652010416.

The spelling of 4979642 in words is "four million, nine hundred seventy-nine thousand, six hundred forty-two".

Divisors: 1 2 263 526 9467 18934 2489821 4979642