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10404146 = 25202073
BaseRepresentation
bin100111101100…
…000100110010
3201120120210202
4213230010302
510130413041
61010555202
7154301534
oct47540462
921516722
1010404146
115966875
123598b02
1322037cc
14154b854
15da7a9b
hex9ec132

10404146 has 4 divisors (see below), whose sum is σ = 15606222. Its totient is φ = 5202072.

The previous prime is 10404143. The next prime is 10404181. The reversal of 10404146 is 64140401.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 2758921 = 2765^2 + 1661^2 .

It is not an unprimeable number, because it can be changed into a prime (10404143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601035 + ... + 2601038.

Almost surely, 210404146 is an apocalyptic number.

10404146 is a deficient number, since it is larger than the sum of its proper divisors (5202076).

10404146 is an equidigital number, since it uses as much as digits as its factorization.

10404146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202075.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10404146 is about 3225.5458452795. The cubic root of 10404146 is about 218.3075786233.

Adding to 10404146 its reverse (64140401), we get a palindrome (74544547).

The spelling of 10404146 in words is "ten million, four hundred four thousand, one hundred forty-six".

Divisors: 1 2 5202073 10404146