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202423067 = 7211375553
BaseRepresentation
bin11000001000010…
…11101100011011
3112002220011020122
430010023230123
5403310014232
632030343455
75005365500
oct1404135433
9462804218
10202423067
11a42984a0
125795ab8b
1332c25182
141cc534a7
1512b87312
hexc10bb1b

202423067 has 12 divisors (see below), whose sum is σ = 256878936. Its totient is φ = 157731840.

The previous prime is 202423037. The next prime is 202423073. The reversal of 202423067 is 760324202.

It is not a de Polignac number, because 202423067 - 26 = 202423003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202423007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187238 + ... + 188315.

It is an arithmetic number, because the mean of its divisors is an integer number (21406578).

Almost surely, 2202423067 is an apocalyptic number.

202423067 is a deficient number, since it is larger than the sum of its proper divisors (54455869).

202423067 is a wasteful number, since it uses less digits than its factorization.

202423067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375578 (or 375571 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 202423067 is about 14227.5460638861. The cubic root of 202423067 is about 587.1557707033.

Adding to 202423067 its reverse (760324202), we get a palindrome (962747269).

The spelling of 202423067 in words is "two hundred two million, four hundred twenty-three thousand, sixty-seven".

Divisors: 1 7 11 49 77 539 375553 2628871 4131083 18402097 28917581 202423067