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302100421 = 7172538659
BaseRepresentation
bin10010000000011…
…010111111000101
3210001110021212111
4102000122333011
51104314203141
645551021021
710325545150
oct2200327705
9701407774
10302100421
11145589577
128520a771
134a784b5c
142c19cc97
151b7c6381
hex1201afc5

302100421 has 8 divisors (see below), whose sum is σ = 365567040. Its totient is φ = 243711168.

The previous prime is 302100419. The next prime is 302100427. The reversal of 302100421 is 124001203.

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 302100421 - 21 = 302100419 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 (302100427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269211 + ... + 1269448.

It is an arithmetic number, because the mean of its divisors is an integer number (45695880).

Almost surely, 2302100421 is an apocalyptic number.

It is an amenable number.

302100421 is a deficient number, since it is larger than the sum of its proper divisors (63466619).

302100421 is a wasteful number, since it uses less digits than its factorization.

302100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538683.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 302100421 is about 17381.0362464382. The cubic root of 302100421 is about 670.9916414093.

Adding to 302100421 its reverse (124001203), we get a palindrome (426101624).

The spelling of 302100421 in words is "three hundred two million, one hundred thousand, four hundred twenty-one".

Divisors: 1 7 17 119 2538659 17770613 43157203 302100421