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790025741 = 5689138869
BaseRepresentation
bin101111000101101…
…101011000001101
32001001120110120122
4233011231120031
53104221310431
6210220554325
725402052021
oct5705553015
92031513518
10790025741
11375a4903a
121a06b29a5
13c789cc6b
1476cd0381
1549556a7b
hex2f16d60d

790025741 has 4 divisors (see below), whose sum is σ = 790170300. Its totient is φ = 789881184.

The previous prime is 790025711. The next prime is 790025749. The reversal of 790025741 is 147520097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147520097 = 791867343.

It can be written as a sum of positive squares in 2 ways, for example, as 316092841 + 473932900 = 17779^2 + 21770^2 .

It is a cyclic number.

It is not a de Polignac number, because 790025741 - 214 = 790009357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790025749) 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, 63746 + ... + 75123.

It is an arithmetic number, because the mean of its divisors is an integer number (197542575).

Almost surely, 2790025741 is an apocalyptic number.

It is an amenable number.

790025741 is a deficient number, since it is larger than the sum of its proper divisors (144559).

790025741 is a wasteful number, since it uses less digits than its factorization.

790025741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144558.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 790025741 is about 28107.3965532206. The cubic root of 790025741 is about 924.4435868691.

The spelling of 790025741 in words is "seven hundred ninety million, twenty-five thousand, seven hundred forty-one".

Divisors: 1 5689 138869 790025741