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202225426 = 21313756773
BaseRepresentation
bin11000000110110…
…11011100010010
3112002112010010121
430003123130102
5403232203201
632022220454
75003613334
oct1403333422
9462463117
10202225426
11a4172a57
125788472a
1332b86220
141cc01454
1512b489a1
hexc0db712

202225426 has 16 divisors (see below), whose sum is σ = 329062104. Its totient is φ = 92651904.

The previous prime is 202225393. The next prime is 202225427. The reversal of 202225426 is 624522202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124344801 + 77880625 = 11151^2 + 8825^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202225426.

It is not an unprimeable number, because it can be changed into a prime (202225427) 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 7 ways as a sum of consecutive naturals, for example, 24825 + ... + 31948.

Almost surely, 2202225426 is an apocalyptic number.

202225426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

202225426 is a deficient number, since it is larger than the sum of its proper divisors (126836678).

202225426 is a wasteful number, since it uses less digits than its factorization.

202225426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56925.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 202225426 is about 14220.5986512523. The cubic root of 202225426 is about 586.9646135655.

Adding to 202225426 its reverse (624522202), we get a palindrome (826747628).

The spelling of 202225426 in words is "two hundred two million, two hundred twenty-five thousand, four hundred twenty-six".

Divisors: 1 2 13 26 137 274 1781 3562 56773 113546 738049 1476098 7777901 15555802 101112713 202225426