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28358196 = 2234914813
BaseRepresentation
bin110110000101…
…1011000110100
31222100202010120
41230023120310
524224430241
62451451540
7463016646
oct154133064
958322116
1028358196
1115009a29
1295b6bb0
135b4b8c9
143aa2896
152752666
hex1b0b634

28358196 has 24 divisors (see below), whose sum is σ = 66317664. Its totient is φ = 9431520.

The previous prime is 28358191. The next prime is 28358257. The reversal of 28358196 is 69185382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486 + ... + 8298.

It is an arithmetic number, because the mean of its divisors is an integer number (2763236).

Almost surely, 228358196 is an apocalyptic number.

It is an amenable number.

28358196 is an abundant number, since it is smaller than the sum of its proper divisors (37959468).

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

28358196 is a wasteful number, since it uses less digits than its factorization.

28358196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311 (or 5309 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 28358196 is about 5325.2414029788. The cubic root of 28358196 is about 304.9482882857.

The spelling of 28358196 in words is "twenty-eight million, three hundred fifty-eight thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 491 982 1473 1964 2946 4813 5892 9626 14439 19252 28878 57756 2363183 4726366 7089549 9452732 14179098 28358196