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245433401 = 1132171977
BaseRepresentation
bin11101010000100…
…00010000111001
3122002211022022222
432220100100321
51000312332101
640204253425
76040102163
oct1650202071
9562738288
10245433401
111165a4824
126a241275
133bb03c85
142484b933
151683101b
hexea10439

245433401 has 4 divisors (see below), whose sum is σ = 247605492. Its totient is φ = 243261312.

The previous prime is 245433371. The next prime is 245433413. The reversal of 245433401 is 104334542.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 223801600 = 4651^2 + 14960^2 .

It is a cyclic number.

It is not a de Polignac number, because 245433401 - 26 = 245433337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245433701) 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 in 3 ways as a sum of consecutive naturals, for example, 1085876 + ... + 1086101.

It is an arithmetic number, because the mean of its divisors is an integer number (61901373).

Almost surely, 2245433401 is an apocalyptic number.

It is an amenable number.

245433401 is a deficient number, since it is larger than the sum of its proper divisors (2172091).

245433401 is a wasteful number, since it uses less digits than its factorization.

245433401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172090.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 245433401 is about 15666.3142123475. The cubic root of 245433401 is about 626.1012273909.

Adding to 245433401 its reverse (104334542), we get a palindrome (349767943).

The spelling of 245433401 in words is "two hundred forty-five million, four hundred thirty-three thousand, four hundred one".

Divisors: 1 113 2171977 245433401