Search a number
-
+
40984554 = 23131812903
BaseRepresentation
bin1001110001010…
…1111111101010
32212010020020110
42130111333222
540443001204
64022235150
71005235332
oct234257752
985106213
1040984554
1121153336
1211885ab6
13864ca20
14562c0c2
1538e8889
hex2715fea

40984554 has 32 divisors (see below), whose sum is σ = 88792704. Its totient is φ = 12536640.

The previous prime is 40984553. The next prime is 40984579. The reversal of 40984554 is 45548904.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40984553) 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, 12667 + ... + 15569.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 240984554 is an apocalyptic number.

40984554 is an abundant number, since it is smaller than the sum of its proper divisors (47808150).

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

40984554 is a wasteful number, since it uses less digits than its factorization.

40984554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 40984554 is about 6401.9179938515. The cubic root of 40984554 is about 344.7784168405.

The spelling of 40984554 in words is "forty million, nine hundred eighty-four thousand, five hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 181 362 543 1086 2353 2903 4706 5806 7059 8709 14118 17418 37739 75478 113217 226434 525443 1050886 1576329 3152658 6830759 13661518 20492277 40984554