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4978874 = 219131023
BaseRepresentation
bin10010111111100010111010
3100100221201202
4102333202322
52233310444
6254414202
760214445
oct22774272
910327652
104978874
1128a077a
121801362
1310542a4
1493865c
1568534e
hex4bf8ba

4978874 has 8 divisors (see below), whose sum is σ = 7861440. Its totient is φ = 2358396.

The previous prime is 4978871. The next prime is 4978889. The reversal of 4978874 is 4788794.

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

It is not an unprimeable number, because it can be changed into a prime (4978871) 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, 65474 + ... + 65549.

It is an arithmetic number, because the mean of its divisors is an integer number (982680).

Almost surely, 24978874 is an apocalyptic number.

4978874 is a deficient number, since it is larger than the sum of its proper divisors (2882566).

4978874 is a wasteful number, since it uses less digits than its factorization.

4978874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131044.

The product of its digits is 451584, while the sum is 47.

The square root of 4978874 is about 2231.3390598472. The cubic root of 4978874 is about 170.7564216677.

The spelling of 4978874 in words is "four million, nine hundred seventy-eight thousand, eight hundred seventy-four".

Divisors: 1 2 19 38 131023 262046 2489437 4978874