Search a number
-
+
4972838 = 213193991
BaseRepresentation
bin10010111110000100100110
3100100122110012
4102332010212
52233112323
6254330222
760161033
oct22760446
910318405
104972838
112897192
1217b9972
131051610
1493638a
15683678
hex4be126

4972838 has 16 divisors (see below), whose sum is σ = 8082816. Its totient is φ = 2280960.

The previous prime is 4972829. The next prime is 4972841. The reversal of 4972838 is 8382794.

It is a junction number, because it is equal to n+sod(n) for n = 4972795 and 4972804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4523 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (505176).

Almost surely, 24972838 is an apocalyptic number.

4972838 is a deficient number, since it is larger than the sum of its proper divisors (3109978).

4972838 is a wasteful number, since it uses less digits than its factorization.

4972838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 96768, while the sum is 41.

The square root of 4972838 is about 2229.9860986114. The cubic root of 4972838 is about 170.6873898244.

The spelling of 4972838 in words is "four million, nine hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 13 26 193 386 991 1982 2509 5018 12883 25766 191263 382526 2486419 4972838