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28901374 = 250328729
BaseRepresentation
bin110111000111…
…1111111111110
32000101100020021
41232033333332
524344320444
62511242354
7500441365
oct156177776
960340207
1028901374
1115350037
1298193ba
135cabc08
143ba47dc
15280d584
hex1b8fffe

28901374 has 8 divisors (see below), whose sum is σ = 43439760. Its totient is φ = 14421456.

The previous prime is 28901311. The next prime is 28901387. The reversal of 28901374 is 47310982.

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

It is a congruent number.

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, 13359 + ... + 15370.

It is an arithmetic number, because the mean of its divisors is an integer number (5429970).

Almost surely, 228901374 is an apocalyptic number.

28901374 is a deficient number, since it is larger than the sum of its proper divisors (14538386).

28901374 is a wasteful number, since it uses less digits than its factorization.

28901374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29234.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28901374 is about 5375.9998139881. Note that the first 3 decimals coincide. The cubic root of 28901374 is about 306.8829992675.

The spelling of 28901374 in words is "twenty-eight million, nine hundred one thousand, three hundred seventy-four".

Divisors: 1 2 503 1006 28729 57458 14450687 28901374