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428013862 = 21712588643
BaseRepresentation
bin11001100000101…
…111100100100110
31002211101100122021
4121200233210212
51334032420422
6110245453354
713415025553
oct3140574446
91084340567
10428013862
111aa66a171
12bb41125a
136a89c553
1440bb7a2a
1527898dc7
hex1982f926

428013862 has 8 divisors (see below), whose sum is σ = 679786776. Its totient is φ = 201418272.

The previous prime is 428013853. The next prime is 428013899. The reversal of 428013862 is 268310824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 12588643 = 428013862 / (4 + 2 + 8 + 0 + 1 + 3 + 8 + 6 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294288 + ... + 6294355.

It is an arithmetic number, because the mean of its divisors is an integer number (84973347).

Almost surely, 2428013862 is an apocalyptic number.

428013862 is a deficient number, since it is larger than the sum of its proper divisors (251772914).

428013862 is a wasteful number, since it uses less digits than its factorization.

428013862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588662.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 428013862 is about 20688.4958853949. The cubic root of 428013862 is about 753.6203402112.

The spelling of 428013862 in words is "four hundred twenty-eight million, thirteen thousand, eight hundred sixty-two".

Divisors: 1 2 17 34 12588643 25177286 214006931 428013862