Search a number
-
+
79960425 = 3521066139
BaseRepresentation
bin1001100010000…
…01100101101001
312120110102002020
410301001211221
5130432213200
611533455053
71660436526
oct461014551
9176412066
1079960425
11411544a6
1222941489
131374837c
14a89614d
157046ea0
hex4c41969

79960425 has 12 divisors (see below), whose sum is σ = 132201360. Its totient is φ = 42645520.

The previous prime is 79960423. The next prime is 79960459. The reversal of 79960425 is 52406997.

It is not a de Polignac number, because 79960425 - 21 = 79960423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79960421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 532995 + ... + 533144.

It is an arithmetic number, because the mean of its divisors is an integer number (11016780).

Almost surely, 279960425 is an apocalyptic number.

79960425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79960425 is a deficient number, since it is larger than the sum of its proper divisors (52240935).

79960425 is a wasteful number, since it uses less digits than its factorization.

79960425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066152 (or 1066147 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 79960425 is about 8942.0593265757. The cubic root of 79960425 is about 430.8158748264.

The spelling of 79960425 in words is "seventy-nine million, nine hundred sixty thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 1066139 3198417 5330695 15992085 26653475 79960425