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4380856 = 232329821
BaseRepresentation
bin10000101101100010111000
322020120101221
4100231202320
52110141411
6233521424
752144114
oct20554270
98216357
104380856
112522447
121573274
13ba502c
14820744
155b8071
hex42d8b8

4380856 has 32 divisors (see below), whose sum is σ = 8877600. Its totient is φ = 2020480.

The previous prime is 4380853. The next prime is 4380881. The reversal of 4380856 is 6580834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (277425).

Almost surely, 24380856 is an apocalyptic number.

4380856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4380856 is an abundant number, since it is smaller than the sum of its proper divisors (4496744).

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

4380856 is a wasteful number, since it uses less digits than its factorization.

4380856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4380856 is about 2093.0494499653. The cubic root of 4380856 is about 163.6262557917.

The spelling of 4380856 in words is "four million, three hundred eighty thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 23 29 46 58 92 116 184 232 667 821 1334 1642 2668 3284 5336 6568 18883 23809 37766 47618 75532 95236 151064 190472 547607 1095214 2190428 4380856