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28734702 = 2310147417
BaseRepresentation
bin110110110011…
…1010011101110
32000001212121020
41231213103232
524324002302
62503515010
7466145433
oct155472356
960055536
1028734702
1115246897
129758a66
135c510a9
143b5db8a
1527c8ebc
hex1b674ee

28734702 has 16 divisors (see below), whose sum is σ = 58039632. Its totient is φ = 9483200.

The previous prime is 28734701. The next prime is 28734703. The reversal of 28734702 is 20743782.

It is an interprime number because it is at equal distance from previous prime (28734701) and next prime (28734703).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734701) 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, 23103 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (3627477).

Almost surely, 228734702 is an apocalyptic number.

28734702 is an abundant number, since it is smaller than the sum of its proper divisors (29304930).

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

28734702 is a wasteful number, since it uses less digits than its factorization.

28734702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47523.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 28734702 is about 5360.4759117078. The cubic root of 28734702 is about 306.2919380579.

The spelling of 28734702 in words is "twenty-eight million, seven hundred thirty-four thousand, seven hundred two".

Divisors: 1 2 3 6 101 202 303 606 47417 94834 142251 284502 4789117 9578234 14367351 28734702