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4979146 = 22489573
BaseRepresentation
bin10010111111100111001010
3100100222002211
4102333213022
52233313041
6254415334
760215314
oct22774712
910328084
104979146
1128a09a7
12180154a
131054453
149387b4
15685481
hex4bf9ca

4979146 has 4 divisors (see below), whose sum is σ = 7468722. Its totient is φ = 2489572.

The previous prime is 4979141. The next prime is 4979153. The reversal of 4979146 is 6419794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 1792921 = 1785^2 + 1339^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4979099 and 4979108.

It is not an unprimeable number, because it can be changed into a prime (4979141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244785 + ... + 1244788.

Almost surely, 24979146 is an apocalyptic number.

4979146 is a deficient number, since it is larger than the sum of its proper divisors (2489576).

4979146 is a wasteful number, since it uses less digits than its factorization.

4979146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489575.

The product of its digits is 54432, while the sum is 40.

The square root of 4979146 is about 2231.4000089630. The cubic root of 4979146 is about 170.7595311325.

The spelling of 4979146 in words is "four million, nine hundred seventy-nine thousand, one hundred forty-six".

Divisors: 1 2 2489573 4979146