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420963628 = 22105240907
BaseRepresentation
bin11001000101110…
…110010100101100
31002100010011112111
4121011312110230
51330231314003
6105434413404
713301063131
oct3105662454
91070104474
10420963628
111a6694228
12b8b91264
13692a1507
143dca0588
1526e54e6d
hex1917652c

420963628 has 6 divisors (see below), whose sum is σ = 736686356. Its totient is φ = 210481812.

The previous prime is 420963611. The next prime is 420963649. The reversal of 420963628 is 826369024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52620450 + ... + 52620457.

Almost surely, 2420963628 is an apocalyptic number.

It is an amenable number.

420963628 is a deficient number, since it is larger than the sum of its proper divisors (315722728).

420963628 is a wasteful number, since it uses less digits than its factorization.

420963628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105240911 (or 105240909 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 420963628 is about 20517.3981781317. The cubic root of 420963628 is about 749.4595383322.

The spelling of 420963628 in words is "four hundred twenty million, nine hundred sixty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 105240907 210481814 420963628