Search a number
-
+
428792760 = 23325111941139
BaseRepresentation
bin11001100011101…
…101101110111000
31002212211221002100
4121203231232320
51334232332020
6110314303400
713424451444
oct3143555670
91085757070
10428792760
11200051390
12bb727b60
136aab2c36
1440d3b824
152799ea90
hex198edbb8

428792760 has 384 divisors, whose sum is σ = 1651104000. Its totient is φ = 95385600.

The previous prime is 428792759. The next prime is 428792821. The reversal of 428792760 is 67297824.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3084771 + ... + 3084909.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2428792760 is an apocalyptic number.

428792760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428792760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825552000).

428792760 is an abundant number, since it is smaller than the sum of its proper divisors (1222311240).

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

428792760 is a wasteful number, since it uses less digits than its factorization.

428792760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 428792760 is about 20707.3117521324. The cubic root of 428792760 is about 754.0772083316.

The spelling of 428792760 in words is "four hundred twenty-eight million, seven hundred ninety-two thousand, seven hundred sixty".