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302422401 = 32171976617
BaseRepresentation
bin10010000001101…
…001100110000001
3210002001122112200
4102001221212001
51104410004101
650001543413
710331355651
oct2201514601
9702048480
10302422401
11145789476
1285344b69
134a868588
142c244361
151b83b986
hex12069981

302422401 has 12 divisors (see below), whose sum is σ = 462528612. Its totient is φ = 189755136.

The previous prime is 302422387. The next prime is 302422409. The reversal of 302422401 is 104224203.

It can be written as a sum of positive squares in 2 ways, for example, as 225000000 + 77422401 = 15000^2 + 8799^2 .

It is not a de Polignac number, because 302422401 - 214 = 302406017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (302422409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988156 + ... + 988461.

It is an arithmetic number, because the mean of its divisors is an integer number (38544051).

Almost surely, 2302422401 is an apocalyptic number.

It is an amenable number.

302422401 is a deficient number, since it is larger than the sum of its proper divisors (160106211).

302422401 is a wasteful number, since it uses less digits than its factorization.

302422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976640 (or 1976637 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 302422401 is about 17390.2961734411. The cubic root of 302422401 is about 671.2299387490.

Adding to 302422401 its reverse (104224203), we get a palindrome (406646604).

It can be divided in two parts, 3024 and 22401, that added together give a triangular number (25425 = T225).

The spelling of 302422401 in words is "three hundred two million, four hundred twenty-two thousand, four hundred one".

Divisors: 1 3 9 17 51 153 1976617 5929851 17789553 33602489 100807467 302422401