Search a number
-
+
4380780 = 223573013
BaseRepresentation
bin10000101101100001101100
322020120022010
4100231201230
52110141110
6233521220
752143645
oct20554154
98216263
104380780
112522388
121573210
13ba4ca1
148206cc
155b8020
hex42d86c

4380780 has 24 divisors (see below), whose sum is σ = 12266352. Its totient is φ = 1168192.

The previous prime is 4380767. The next prime is 4380793. The reversal of 4380780 is 870834.

It is an interprime number because it is at equal distance from previous prime (4380767) and next prime (4380793).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36447 + ... + 36566.

It is an arithmetic number, because the mean of its divisors is an integer number (511098).

Almost surely, 24380780 is an apocalyptic number.

It is an amenable number.

4380780 is an abundant number, since it is smaller than the sum of its proper divisors (7885572).

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

4380780 is a wasteful number, since it uses less digits than its factorization.

4380780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73025 (or 73023 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 4380780 is about 2093.0312945582. The cubic root of 4380780 is about 163.6253095788.

The spelling of 4380780 in words is "four million, three hundred eighty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73013 146026 219039 292052 365065 438078 730130 876156 1095195 1460260 2190390 4380780