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213423002 = 2132631429
BaseRepresentation
bin11001011100010…
…01001110011010
3112212121000022122
430232021032122
5414114014002
633102221242
75201031332
oct1456111632
9485530278
10213423002
11aa520951
125b584822
13352a6c00
14204b80c2
1513b0b6a2
hexcb8939a

213423002 has 12 divisors (see below), whose sum is σ = 346655070. Its totient is φ = 98502768.

The previous prime is 213422983. The next prime is 213423013. The reversal of 213423002 is 200324312.

213423002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 107765161 + 105657841 = 10381^2 + 10279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315377 + ... + 316052.

Almost surely, 2213423002 is an apocalyptic number.

213423002 is a deficient number, since it is larger than the sum of its proper divisors (133232068).

213423002 is a wasteful number, since it uses less digits than its factorization.

213423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631457 (or 631444 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 213423002 is about 14609.0041412822. The cubic root of 213423002 is about 597.6043381453.

Adding to 213423002 its reverse (200324312), we get a palindrome (413747314).

The spelling of 213423002 in words is "two hundred thirteen million, four hundred twenty-three thousand, two".

Divisors: 1 2 13 26 169 338 631429 1262858 8208577 16417154 106711501 213423002