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40010323 = 67597169
BaseRepresentation
bin1001100010100…
…0001001010011
32210021201211211
42120220021103
540220312243
63545320551
7664040113
oct230501123
983251754
1040010323
1120648391
1211496157
13839b462
145457043
1537a4d9d
hex2628253

40010323 has 4 divisors (see below), whose sum is σ = 40607560. Its totient is φ = 39413088.

The previous prime is 40010309. The next prime is 40010353. The reversal of 40010323 is 32301004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40010323 - 25 = 40010291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40010353) 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, 298518 + ... + 298651.

It is an arithmetic number, because the mean of its divisors is an integer number (10151890).

Almost surely, 240010323 is an apocalyptic number.

40010323 is a deficient number, since it is larger than the sum of its proper divisors (597237).

40010323 is an equidigital number, since it uses as much as digits as its factorization.

40010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597236.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40010323 is about 6325.3713724966. The cubic root of 40010323 is about 342.0246069410.

Adding to 40010323 its reverse (32301004), we get a palindrome (72311327).

The spelling of 40010323 in words is "forty million, ten thousand, three hundred twenty-three".

Divisors: 1 67 597169 40010323