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420963632 = 24312832999
BaseRepresentation
bin11001000101110…
…110010100110000
31002100010011112122
4121011312110300
51330231314012
6105434413412
713301063135
oct3105662460
91070104478
10420963632
111a6694231
12b8b91268
13692a150b
143dca058c
1526e54e72
hex19176530

420963632 has 40 divisors (see below), whose sum is σ = 845184000. Its totient is φ = 202904640.

The previous prime is 420963611. The next prime is 420963649. The reversal of 420963632 is 236369024.

It is a junction number, because it is equal to n+sod(n) for n = 420963592 and 420963601.

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 7 ways as a sum of consecutive naturals, for example, 138869 + ... + 141867.

It is an arithmetic number, because the mean of its divisors is an integer number (21129600).

Almost surely, 2420963632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420963632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422592000).

420963632 is an abundant number, since it is smaller than the sum of its proper divisors (424220368).

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

420963632 is a wasteful number, since it uses less digits than its factorization.

420963632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 420963632 is about 20517.3982756099. The cubic root of 420963632 is about 749.4595407060.

The spelling of 420963632 in words is "four hundred twenty million, nine hundred sixty-three thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 31 62 124 248 283 496 566 1132 2264 2999 4528 5998 8773 11996 17546 23992 35092 47984 70184 92969 140368 185938 371876 743752 848717 1487504 1697434 3394868 6789736 13579472 26310227 52620454 105240908 210481816 420963632