[go: up one dir, main page]

Search a number
-
+
79723068 = 2236643589
BaseRepresentation
bin1001100000001…
…11101000111100
312120000100111020
410300013220330
5130402114233
611524424140
71655430525
oct460075074
9176010436
1079723068
1141002137
1222848050
1313694319
14a83384c
156eeb9b3
hex4c07a3c

79723068 has 12 divisors (see below), whose sum is σ = 186020520. Its totient is φ = 26574352.

The previous prime is 79723067. The next prime is 79723097. The reversal of 79723068 is 86032797.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79723067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3321783 + ... + 3321806.

It is an arithmetic number, because the mean of its divisors is an integer number (15501710).

Almost surely, 279723068 is an apocalyptic number.

It is an amenable number.

79723068 is an abundant number, since it is smaller than the sum of its proper divisors (106297452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79723068 is a wasteful number, since it uses less digits than its factorization.

79723068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643596 (or 6643594 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 79723068 is about 8928.7775199072. Note that the first 3 decimals coincide. The cubic root of 79723068 is about 430.3891699412.

The spelling of 79723068 in words is "seventy-nine million, seven hundred twenty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6643589 13287178 19930767 26574356 39861534 79723068