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770084641 is a prime number
BaseRepresentation
bin101101111001101…
…000111100100001
31222200001100112101
4231321220330201
53034120202031
6204225330401
725040416504
oct5571507441
91880040471
10770084641
11365768a97
12195a96a01
13c370a5b1
14743bd13b
1547918361
hex2de68f21

770084641 has 2 divisors, whose sum is σ = 770084642. Its totient is φ = 770084640.

The previous prime is 770084639. The next prime is 770084677. The reversal of 770084641 is 146480077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443523600 + 326561041 = 21060^2 + 18071^2 .

It is a cyclic number.

It is not a de Polignac number, because 770084641 - 21 = 770084639 is a prime.

Together with 770084639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 770084641.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385042320 + 385042321.

It is an arithmetic number, because the mean of its divisors is an integer number (385042321).

Almost surely, 2770084641 is an apocalyptic number.

It is an amenable number.

770084641 is a deficient number, since it is larger than the sum of its proper divisors (1).

770084641 is an equidigital number, since it uses as much as digits as its factorization.

770084641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 770084641 is about 27750.3989340694. The cubic root of 770084641 is about 916.5992281994.

The spelling of 770084641 in words is "seven hundred seventy million, eighty-four thousand, six hundred forty-one".