Search a number
-
+
80348425 = 523213937
BaseRepresentation
bin1001100101000…
…00010100001001
312121012010022121
410302200110021
5131032122200
611550051241
71663643653
oct462402411
9177163277
1080348425
1141399a63
1222aa9b21
1313852b61
14a9576d3
1570c1e1a
hex4ca0509

80348425 has 6 divisors (see below), whose sum is σ = 99632078. Its totient is φ = 64278720.

The previous prime is 80348413. The next prime is 80348441. The reversal of 80348425 is 52484308.

It can be written as a sum of positive squares in 3 ways, for example, as 710649 + 79637776 = 843^2 + 8924^2 .

It is not a de Polignac number, because 80348425 - 215 = 80315657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606944 + ... + 1606993.

Almost surely, 280348425 is an apocalyptic number.

It is an amenable number.

80348425 is a deficient number, since it is larger than the sum of its proper divisors (19283653).

80348425 is a wasteful number, since it uses less digits than its factorization.

80348425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213947 (or 3213942 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 80348425 is about 8963.7282979796. The cubic root of 80348425 is about 431.5115811325.

The spelling of 80348425 in words is "eighty million, three hundred forty-eight thousand, four hundred twenty-five".

Divisors: 1 5 25 3213937 16069685 80348425