[go: up one dir, main page]

Search a number
-
+
80379425 = 5274211091
BaseRepresentation
bin1001100101001…
…11111000100001
312121020200211202
410302213320201
5131034120200
611550450545
71664133230
oct462477041
9177220752
1080379425
1141410285
1222b03a55
1313863cb9
14a964b17
1570cb1d5
hex4ca7e21

80379425 has 24 divisors (see below), whose sum is σ = 114284352. Its totient is φ = 54936000.

The previous prime is 80379421. The next prime is 80379461. The reversal of 80379425 is 52497308.

It is not a de Polignac number, because 80379425 - 22 = 80379421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80379421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73130 + ... + 74220.

It is an arithmetic number, because the mean of its divisors is an integer number (4761848).

Almost surely, 280379425 is an apocalyptic number.

It is an amenable number.

80379425 is a deficient number, since it is larger than the sum of its proper divisors (33904927).

80379425 is a wasteful number, since it uses less digits than its factorization.

80379425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 80379425 is about 8965.4573224125. The cubic root of 80379425 is about 431.5670692106.

The spelling of 80379425 in words is "eighty million, three hundred seventy-nine thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 421 1091 2105 2947 5455 7637 10525 14735 27275 38185 73675 190925 459311 2296555 3215177 11482775 16075885 80379425