Search a number
-
+
4072980 = 223567883
BaseRepresentation
bin1111100010011000010100
321122221002010
433202120110
52020313410
6223144220
746422402
oct17423024
97587063
104072980
1123320aa
121445070
13ac7b62
14780472
15556c20
hex3e2614

4072980 has 24 divisors (see below), whose sum is σ = 11404512. Its totient is φ = 1086112.

The previous prime is 4072967. The next prime is 4072987. The reversal of 4072980 is 892704.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072987) 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, 33882 + ... + 34001.

It is an arithmetic number, because the mean of its divisors is an integer number (475188).

Almost surely, 24072980 is an apocalyptic number.

It is an amenable number.

4072980 is an abundant number, since it is smaller than the sum of its proper divisors (7331532).

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

4072980 is a wasteful number, since it uses less digits than its factorization.

4072980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67895 (or 67893 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4072980 is about 2018.1625306204. The cubic root of 4072980 is about 159.6996971330.

The spelling of 4072980 in words is "four million, seventy-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67883 135766 203649 271532 339415 407298 678830 814596 1018245 1357660 2036490 4072980