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428800503 = 31722737039
BaseRepresentation
bin11001100011101…
…111100111110111
31002212212022201010
4121203233213313
51334233104003
6110314403303
713424513145
oct3143574767
91085768633
10428800503
1120005718a
12bb730533
136aab6611
1440d40595
15279a2003
hex198ef9f7

428800503 has 16 divisors (see below), whose sum is σ = 608048640. Its totient is φ = 267858816.

The previous prime is 428800501. The next prime is 428800507. The reversal of 428800503 is 305008824.

It is not a de Polignac number, because 428800503 - 21 = 428800501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428800501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943 + ... + 30096.

It is an arithmetic number, because the mean of its divisors is an integer number (38003040).

Almost surely, 2428800503 is an apocalyptic number.

428800503 is a deficient number, since it is larger than the sum of its proper divisors (179248137).

428800503 is a wasteful number, since it uses less digits than its factorization.

428800503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37286.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 428800503 is about 20707.4987142339. The cubic root of 428800503 is about 754.0817472644.

The spelling of 428800503 in words is "four hundred twenty-eight million, eight hundred thousand, five hundred three".

Divisors: 1 3 17 51 227 681 3859 11577 37039 111117 629663 1888989 8407853 25223559 142933501 428800503