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700020697 = 4211662757
BaseRepresentation
bin101001101110010…
…111011111011001
31210210012201212111
4221232113133121
52413201130242
6153243512321
723230035445
oct5156273731
91723181774
10700020697
1132a163a02
121765286a1
13b204893c
1468d81825
15416c8817
hex29b977d9

700020697 has 4 divisors (see below), whose sum is σ = 701683876. Its totient is φ = 698357520.

The previous prime is 700020691. The next prime is 700020701. The reversal of 700020697 is 796020007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796020007 = 964382549.

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 690060361 = 3156^2 + 26269^2 .

It is a cyclic number.

It is not a de Polignac number, because 700020697 - 27 = 700020569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700020691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830958 + ... + 831799.

It is an arithmetic number, because the mean of its divisors is an integer number (175420969).

Almost surely, 2700020697 is an apocalyptic number.

It is an amenable number.

700020697 is a deficient number, since it is larger than the sum of its proper divisors (1663179).

700020697 is a wasteful number, since it uses less digits than its factorization.

700020697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663178.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 700020697 is about 26457.9042442896. The cubic root of 700020697 is about 887.9127525845.

The spelling of 700020697 in words is "seven hundred million, twenty thousand, six hundred ninety-seven".

Divisors: 1 421 1662757 700020697