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28233914 = 235939323
BaseRepresentation
bin110101110110…
…1000010111010
31222010102122112
41223231002322
524211441124
62445052322
7461661422
oct153550272
958112575
1028233914
1114a34615
1295570a2
135b07177
143a6d482
15272a90e
hex1aed0ba

28233914 has 8 divisors (see below), whose sum is σ = 42469920. Its totient is φ = 14077276.

The previous prime is 28233913. The next prime is 28233937. The reversal of 28233914 is 41933282.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28233913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18944 + ... + 20379.

It is an arithmetic number, because the mean of its divisors is an integer number (5308740).

Almost surely, 228233914 is an apocalyptic number.

28233914 is a deficient number, since it is larger than the sum of its proper divisors (14236006).

28233914 is a wasteful number, since it uses less digits than its factorization.

28233914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39684.

The product of its digits is 10368, while the sum is 32.

The square root of 28233914 is about 5313.5594473008. The cubic root of 28233914 is about 304.5021493715.

Adding to 28233914 its product of digits (10368), we get a palindrome (28244282).

The spelling of 28233914 in words is "twenty-eight million, two hundred thirty-three thousand, nine hundred fourteen".

Divisors: 1 2 359 718 39323 78646 14116957 28233914