Search a number
-
+
79973492 = 2219993373
BaseRepresentation
bin1001100010001…
…00110001110100
312120111002000012
410301010301310
5130433122432
611534035352
71660522604
oct461046164
9176432005
1079973492
11411632a5
1222948b58
13137512c1
14a89ac04
15704acb2
hex4c44c74

79973492 has 6 divisors (see below), whose sum is σ = 139953618. Its totient is φ = 39986744.

The previous prime is 79973483. The next prime is 79973513. The reversal of 79973492 is 29437997.

It can be written as a sum of positive squares in only one way, i.e., 70997476 + 8976016 = 8426^2 + 2996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79973492.

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 as a sum of consecutive naturals, namely, 9996683 + ... + 9996690.

It is an arithmetic number, because the mean of its divisors is an integer number (23325603).

Almost surely, 279973492 is an apocalyptic number.

It is an amenable number.

79973492 is a deficient number, since it is larger than the sum of its proper divisors (59980126).

79973492 is a wasteful number, since it uses less digits than its factorization.

79973492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993377 (or 19993375 counting only the distinct ones).

The product of its digits is 857304, while the sum is 50.

The square root of 79973492 is about 8942.7899449780. The cubic root of 79973492 is about 430.8393412866.

The spelling of 79973492 in words is "seventy-nine million, nine hundred seventy-three thousand, four hundred ninety-two".

Divisors: 1 2 4 19993373 39986746 79973492