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420702613 = 10912730391
BaseRepresentation
bin11001000100110…
…110100110010101
31002022121220111021
4121010312212111
51330144440423
6105425041141
713265625142
oct3104664625
91068556437
10420702613
111a6526111
12b8a861b1
136920c776
143dc333c9
1526e0295d
hex19136995

420702613 has 8 divisors (see below), whose sum is σ = 427919360. Its totient is φ = 413547120.

The previous prime is 420702563. The next prime is 420702631. The reversal of 420702613 is 316207024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420702613 - 221 = 418605461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420712613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 29038.

It is an arithmetic number, because the mean of its divisors is an integer number (53489920).

Almost surely, 2420702613 is an apocalyptic number.

It is an amenable number.

420702613 is a deficient number, since it is larger than the sum of its proper divisors (7216747).

420702613 is a wasteful number, since it uses less digits than its factorization.

420702613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30627.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 420702613 is about 20511.0363706957. The cubic root of 420702613 is about 749.3046075866.

Adding to 420702613 its reverse (316207024), we get a palindrome (736909637).

The spelling of 420702613 in words is "four hundred twenty million, seven hundred two thousand, six hundred thirteen".

Divisors: 1 109 127 13843 30391 3312619 3859657 420702613