Search a number
-
+
40010684 = 2271428953
BaseRepresentation
bin1001100010100…
…0001110111100
32210021202100012
42120220032330
540220320214
63545322352
7664041140
oct230501674
983252305
1040010684
112064868a
12114963b8
13839b67c
145457220
1537a503e
hex26283bc

40010684 has 12 divisors (see below), whose sum is σ = 80021424. Its totient is φ = 17147424.

The previous prime is 40010681. The next prime is 40010699. The reversal of 40010684 is 48601004.

It is a happy number.

40010684 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714449 + ... + 714504.

It is an arithmetic number, because the mean of its divisors is an integer number (6668452).

Almost surely, 240010684 is an apocalyptic number.

It is an amenable number.

40010684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40010684 is a wasteful number, since it uses less digits than its factorization.

40010684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428964 (or 1428962 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40010684 is about 6325.3999083062. The cubic root of 40010684 is about 342.0256355965.

Adding to 40010684 its reverse (48601004), we get a palindrome (88611688).

The spelling of 40010684 in words is "forty million, ten thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 1428953 2857906 5715812 10002671 20005342 40010684