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28434202 = 293715173
BaseRepresentation
bin110110001110…
…1111100011010
31222111121101121
41230131330122
524234343302
62453235454
7463454356
oct154357432
958447347
1028434202
1115061045
129632b8a
135b77394
143ac2466
152769e37
hex1b1df1a

28434202 has 8 divisors (see below), whose sum is σ = 42699636. Its totient is φ = 14200992.

The previous prime is 28434199. The next prime is 28434253. The reversal of 28434202 is 20243482.

It can be written as a sum of positive squares in 2 ways, for example, as 28419561 + 14641 = 5331^2 + 121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713 + ... + 9460.

Almost surely, 228434202 is an apocalyptic number.

28434202 is a deficient number, since it is larger than the sum of its proper divisors (14265434).

28434202 is a wasteful number, since it uses less digits than its factorization.

28434202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 28434202 is about 5332.3730177098. The cubic root of 28434202 is about 305.2204873488.

Adding to 28434202 its reverse (20243482), we get a palindrome (48677684).

The spelling of 28434202 in words is "twenty-eight million, four hundred thirty-four thousand, two hundred two".

Divisors: 1 2 937 1874 15173 30346 14217101 28434202