Search a number
-
+
4574980 = 2253147157
BaseRepresentation
bin10001011100111100000100
322121102200201
4101130330010
52132344410
6242020244
753613064
oct21347404
98542621
104574980
112645283
121647684
13c424b7
148713a4
1560583a
hex45cf04

4574980 has 48 divisors (see below), whose sum is σ = 10192896. Its totient is φ = 1722240.

The previous prime is 4574971. The next prime is 4574981. The reversal of 4574980 is 894754.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4574981) 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, 29062 + ... + 29218.

It is an arithmetic number, because the mean of its divisors is an integer number (212352).

Almost surely, 24574980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4574980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5096448).

4574980 is an abundant number, since it is smaller than the sum of its proper divisors (5617916).

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

4574980 is a wasteful number, since it uses less digits than its factorization.

4574980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4574980 is about 2138.9202883698. The cubic root of 4574980 is about 166.0082736477.

The spelling of 4574980 in words is "four million, five hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 31 47 62 94 124 155 157 188 235 310 314 470 620 628 785 940 1457 1570 2914 3140 4867 5828 7285 7379 9734 14570 14758 19468 24335 29140 29516 36895 48670 73790 97340 147580 228749 457498 914996 1143745 2287490 4574980