Search a number
-
+
420952272 = 24313674603
BaseRepresentation
bin11001000101110…
…011100011010000
31002100002120221220
4121011303203100
51330230433042
6105434245040
713301015046
oct3105634320
91070076856
10420952272
111a6686744
12b8b86780
13692992b0
143dc9a396
1526e518ec
hex191738d0

420952272 has 40 divisors (see below), whose sum is σ = 1171112544. Its totient is φ = 129523584.

The previous prime is 420952261. The next prime is 420952291. The reversal of 420952272 is 272259024.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 336678 + ... + 337925.

Almost surely, 2420952272 is an apocalyptic number.

It is an amenable number.

420952272 is an abundant number, since it is smaller than the sum of its proper divisors (750160272).

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

420952272 is a wasteful number, since it uses less digits than its factorization.

420952272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674627 (or 674621 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 420952272 is about 20517.1214355231. The cubic root of 420952272 is about 749.4527990809.

The spelling of 420952272 in words is "four hundred twenty million, nine hundred fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 674603 1349206 2023809 2698412 4047618 5396824 8095236 8769839 10793648 16190472 17539678 26309517 32380944 35079356 52619034 70158712 105238068 140317424 210476136 420952272