Search a number
-
+
40062980 = 2252003149
BaseRepresentation
bin1001100011010…
…1000000000100
32210101102002002
42120311000010
540224003410
63550404432
7664346456
oct230650004
983342062
1040062980
1120683a01
1211500718
1383b9409
14546c2d6
1537b57a5
hex2635004

40062980 has 12 divisors (see below), whose sum is σ = 84132300. Its totient is φ = 16025184.

The previous prime is 40062973. The next prime is 40062991. The reversal of 40062980 is 8926004.

It can be written as a sum of positive squares in 2 ways, for example, as 8904256 + 31158724 = 2984^2 + 5582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001555 + ... + 1001594.

It is an arithmetic number, because the mean of its divisors is an integer number (7011025).

Almost surely, 240062980 is an apocalyptic number.

It is an amenable number.

40062980 is an abundant number, since it is smaller than the sum of its proper divisors (44069320).

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

40062980 is a wasteful number, since it uses less digits than its factorization.

40062980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003158 (or 2003156 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40062980 is about 6329.5323681928. The cubic root of 40062980 is about 342.1745856903.

Adding to 40062980 its reverse (8926004), we get a palindrome (48988984).

The spelling of 40062980 in words is "forty million, sixty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2003149 4006298 8012596 10015745 20031490 40062980