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79334649 = 3229692
BaseRepresentation
bin1001011101010…
…00110011111001
312112021121200100
410232220303321
5130302202044
611512230013
71652222232
oct456506371
9175247610
1079334649
1140867329
122269b309
13135895a4
14a772089
156e71869
hex4ba8cf9

79334649 has 9 divisors (see below), whose sum is σ = 114633103. Its totient is φ = 52871952.

The previous prime is 79334641. The next prime is 79334657. The reversal of 79334649 is 94643397.

The square root of 79334649 is 8907.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (79334641) and next prime (79334657).

It can be written as a sum of positive squares in only one way, i.e., 480249 + 78854400 = 693^2 + 8880^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 79334649 - 23 = 79334641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79334641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25237 + ... + 28205.

Almost surely, 279334649 is an apocalyptic number.

79334649 is the 8907-th square number.

79334649 is the 4454-th centered octagonal number.

It is an amenable number.

79334649 is a deficient number, since it is larger than the sum of its proper divisors (35298454).

79334649 is an frugal number, since it uses more digits than its factorization.

79334649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 2972 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The cubic root of 79334649 is about 429.6890649217.

The spelling of 79334649 in words is "seventy-nine million, three hundred thirty-four thousand, six hundred forty-nine".

Divisors: 1 3 9 2969 8907 26721 8814961 26444883 79334649