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28350156 = 22319312241
BaseRepresentation
bin110110000100…
…1011011001100
31222100100002210
41230021123030
524224201111
62451350420
7462654342
oct154113314
958310083
1028350156
111500398a
1295b2410
135b48053
143a9d992
1527500a6
hex1b096cc

28350156 has 24 divisors (see below), whose sum is σ = 66498544. Its totient is φ = 9400320.

The previous prime is 28350143. The next prime is 28350173. The reversal of 28350156 is 65105382.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805 + ... + 8436.

Almost surely, 228350156 is an apocalyptic number.

It is an amenable number.

28350156 is an abundant number, since it is smaller than the sum of its proper divisors (38148388).

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

28350156 is a wasteful number, since it uses less digits than its factorization.

28350156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441 (or 12439 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 28350156 is about 5324.4864541099. The cubic root of 28350156 is about 304.9194663303.

The spelling of 28350156 in words is "twenty-eight million, three hundred fifty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 193 386 579 772 1158 2316 12241 24482 36723 48964 73446 146892 2362513 4725026 7087539 9450052 14175078 28350156