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420314244 = 223731161411
BaseRepresentation
bin11001000011010…
…111110010000100
31002021220011202020
4121003113302010
51330100023434
6105412443140
713262416650
oct3103276204
91067804666
10420314244
111a6290349
12b89194b0
1369104a6c
143db71a60
1526d77849
hex190d7c84

420314244 has 48 divisors (see below), whose sum is σ = 1157001216. Its totient is φ = 116215200.

The previous prime is 420314203. The next prime is 420314269. The reversal of 420314244 is 442413024.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78102 + ... + 83309.

It is an arithmetic number, because the mean of its divisors is an integer number (24104192).

Almost surely, 2420314244 is an apocalyptic number.

It is an amenable number.

420314244 is an abundant number, since it is smaller than the sum of its proper divisors (736686972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420314244 is a wasteful number, since it uses less digits than its factorization.

420314244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161456 (or 161454 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420314244 is about 20501.5668669495. The cubic root of 420314244 is about 749.0739646375.

Adding to 420314244 its reverse (442413024), we get a palindrome (862727268).

The spelling of 420314244 in words is "four hundred twenty million, three hundred fourteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 372 434 651 868 1302 2604 161411 322822 484233 645644 968466 1129877 1936932 2259754 3389631 4519508 5003741 6779262 10007482 13558524 15011223 20014964 30022446 35026187 60044892 70052374 105078561 140104748 210157122 420314244