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4780428 = 223398369
BaseRepresentation
bin10010001111000110001100
322222212111220
4102033012030
52210433203
6250243340
755430052
oct22170614
98885456
104780428
112775674
121726550
13cb4b73
148c61d2
15646653
hex48f18c

4780428 has 12 divisors (see below), whose sum is σ = 11154360. Its totient is φ = 1593472.

The previous prime is 4780427. The next prime is 4780429. The reversal of 4780428 is 8240874.

It is an interprime number because it is at equal distance from previous prime (4780427) and next prime (4780429).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4780427) 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, 199173 + ... + 199196.

It is an arithmetic number, because the mean of its divisors is an integer number (929530).

Almost surely, 24780428 is an apocalyptic number.

It is an amenable number.

4780428 is an abundant number, since it is smaller than the sum of its proper divisors (6373932).

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

4780428 is a wasteful number, since it uses less digits than its factorization.

4780428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398376 (or 398374 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4780428 is about 2186.4189900383. The cubic root of 4780428 is about 168.4569476193.

The spelling of 4780428 in words is "four million, seven hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 398369 796738 1195107 1593476 2390214 4780428