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202283428 = 22181279397
BaseRepresentation
bin11000000111010…
…01100110100100
3112002122001200211
430003221212210
5403241032203
632023345204
75004244414
oct1403514644
9462561624
10202283428
11a4202596
12578b2204
1332ba6749
141cc18644
1512b5ac6d
hexc0e99a4

202283428 has 12 divisors (see below), whose sum is σ = 355953052. Its totient is φ = 100582560.

The previous prime is 202283423. The next prime is 202283437. The reversal of 202283428 is 824382202.

202283428 is digitally balanced in base 3, 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 2 ways, for example, as 9684544 + 192598884 = 3112^2 + 13878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202283428.

It is not an unprimeable number, because it can be changed into a prime (202283423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138975 + ... + 140422.

Almost surely, 2202283428 is an apocalyptic number.

It is an amenable number.

202283428 is a deficient number, since it is larger than the sum of its proper divisors (153669624).

202283428 is a wasteful number, since it uses less digits than its factorization.

202283428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279582 (or 279580 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 202283428 is about 14222.6378706624. The cubic root of 202283428 is about 587.0207256443.

The spelling of 202283428 in words is "two hundred two million, two hundred eighty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 181 362 724 279397 558794 1117588 50570857 101141714 202283428