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28876894 = 247307201
BaseRepresentation
bin110111000101…
…0000001011110
32000100002122121
41232022001132
524343030034
62510533154
7500310124
oct156120136
960302577
1028876894
1115333702
1298071ba
135ca0a27
143b99914
1528061b4
hex1b8a05e

28876894 has 8 divisors (see below), whose sum is σ = 44237088. Its totient is φ = 14131200.

The previous prime is 28876877. The next prime is 28876919. The reversal of 28876894 is 49867882.

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, 153507 + ... + 153694.

It is an arithmetic number, because the mean of its divisors is an integer number (5529636).

Almost surely, 228876894 is an apocalyptic number.

28876894 is a deficient number, since it is larger than the sum of its proper divisors (15360194).

28876894 is a wasteful number, since it uses less digits than its factorization.

28876894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307250.

The product of its digits is 1548288, while the sum is 52.

The square root of 28876894 is about 5373.7225458708. The cubic root of 28876894 is about 306.7963295945.

The spelling of 28876894 in words is "twenty-eight million, eight hundred seventy-six thousand, eight hundred ninety-four".

Divisors: 1 2 47 94 307201 614402 14438447 28876894