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310700421 = 3337330851
BaseRepresentation
bin10010100001001…
…110100110000101
3210122122012212000
4102201032212011
51114014403141
650455215513
710461624063
oct2241164605
9718565760
10310700421
1114a422909
1288077599
134c4a6405
142d39b033
151c4245b6
hex1284e985

310700421 has 16 divisors (see below), whose sum is σ = 461545920. Its totient is φ = 206571600.

The previous prime is 310700387. The next prime is 310700447. The reversal of 310700421 is 124007013.

It is not a de Polignac number, because 310700421 - 213 = 310692229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 310700394 and 310700403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310700821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5355 + ... + 25496.

It is an arithmetic number, because the mean of its divisors is an integer number (28846620).

Almost surely, 2310700421 is an apocalyptic number.

It is an amenable number.

310700421 is a deficient number, since it is larger than the sum of its proper divisors (150845499).

310700421 is a wasteful number, since it uses less digits than its factorization.

310700421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31233 (or 31227 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 310700421 is about 17626.6962588002. The cubic root of 310700421 is about 677.2992799638.

Adding to 310700421 its reverse (124007013), we get a palindrome (434707434).

The spelling of 310700421 in words is "three hundred ten million, seven hundred thousand, four hundred twenty-one".

Divisors: 1 3 9 27 373 1119 3357 10071 30851 92553 277659 832977 11507423 34522269 103566807 310700421