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4977986 = 213191461
BaseRepresentation
bin10010111111010101000010
3100100220111212
4102333111002
52233243421
6254410122
760212036
oct22772502
910326455
104977986
1128a0042
121800942
131053a70
149381c6
15684e5b
hex4bf542

4977986 has 8 divisors (see below), whose sum is σ = 8041404. Its totient is φ = 2297520.

The previous prime is 4977979. The next prime is 4978003. The reversal of 4977986 is 6897794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4977361 + 625 = 2231^2 + 25^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95705 + ... + 95756.

Almost surely, 24977986 is an apocalyptic number.

4977986 is a deficient number, since it is larger than the sum of its proper divisors (3063418).

4977986 is a wasteful number, since it uses less digits than its factorization.

4977986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191476.

The product of its digits is 762048, while the sum is 50.

The square root of 4977986 is about 2231.1400673198. The cubic root of 4977986 is about 170.7462693911.

The spelling of 4977986 in words is "four million, nine hundred seventy-seven thousand, nine hundred eighty-six".

Divisors: 1 2 13 26 191461 382922 2488993 4977986