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202245426 = 23231438429
BaseRepresentation
bin11000000111000…
…00010100110010
3112002120010120100
430003200110302
5403233323201
632022453230
75004025545
oct1403402462
9462503510
10202245426
11a4186a89
1257894216
1332b92366
141cc0885c
1512b4e886
hexc0e0532

202245426 has 48 divisors (see below), whose sum is σ = 462908160. Its totient is φ = 63715680.

The previous prime is 202245409. The next prime is 202245431. The reversal of 202245426 is 624542202.

It is a happy number.

202245426 is a `hidden beast` number, since 202 + 2 + 454 + 2 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 202245426.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19780 + ... + 28208.

It is an arithmetic number, because the mean of its divisors is an integer number (9643920).

Almost surely, 2202245426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202245426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231454080).

202245426 is an abundant number, since it is smaller than the sum of its proper divisors (260662734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202245426 is a wasteful number, since it uses less digits than its factorization.

202245426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 202245426 is about 14221.3018391426. The cubic root of 202245426 is about 586.9839631028.

Adding to 202245426 its reverse (624542202), we get a palindrome (826787628).

The spelling of 202245426 in words is "two hundred two million, two hundred forty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 31 43 62 86 93 129 186 258 279 387 558 774 1333 2666 3999 7998 8429 11997 16858 23994 25287 50574 75861 151722 261299 362447 522598 724894 783897 1087341 1567794 2174682 2351691 3262023 4703382 6524046 11235857 22471714 33707571 67415142 101122713 202245426