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420867248 = 24231143661
BaseRepresentation
bin11001000101011…
…110110010110000
31002022221021022212
4121011132302300
51330220222443
6105432351252
713300212134
oct3105366260
91068837285
10420867248
111a662887a
12b8b45528
1369269699
143dc773c4
1526e36618
hex1915ecb0

420867248 has 20 divisors (see below), whose sum is σ = 850884528. Its totient is φ = 201284160.

The previous prime is 420867241. The next prime is 420867259. The reversal of 420867248 is 842768024.

It is not an unprimeable number, because it can be changed into a prime (420867241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571463 + ... + 572198.

Almost surely, 2420867248 is an apocalyptic number.

It is an amenable number.

420867248 is an abundant number, since it is smaller than the sum of its proper divisors (430017280).

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

420867248 is a wasteful number, since it uses less digits than its factorization.

420867248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143692 (or 1143686 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 420867248 is about 20515.0493053271. The cubic root of 420867248 is about 749.4023374888.

The spelling of 420867248 in words is "four hundred twenty million, eight hundred sixty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 1143661 2287322 4574644 9149288 18298576 26304203 52608406 105216812 210433624 420867248