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28959414 = 23112113353
BaseRepresentation
bin110111001111…
…0001010110110
32000111021211220
41232132022312
524403200124
62512411210
7501102531
oct156361266
960437756
1028959414
111538a700
129846b06
135ccc463
143bbba18
152820879
hex1b9e2b6

28959414 has 48 divisors (see below), whose sum is σ = 64408176. Its totient is φ = 8673280.

The previous prime is 28959397. The next prime is 28959431. The reversal of 28959414 is 41495982.

It is an interprime number because it is at equal distance from previous prime (28959397) and next prime (28959431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81862 + ... + 82214.

It is an arithmetic number, because the mean of its divisors is an integer number (1341837).

Almost surely, 228959414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28959414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32204088).

28959414 is an abundant number, since it is smaller than the sum of its proper divisors (35448762).

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

28959414 is a wasteful number, since it uses less digits than its factorization.

28959414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 482 counting only the distinct ones).

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

The square root of 28959414 is about 5381.3951722578. The cubic root of 28959414 is about 307.0882903088.

The spelling of 28959414 in words is "twenty-eight million, nine hundred fifty-nine thousand, four hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 113 121 226 242 339 353 363 678 706 726 1059 1243 2118 2486 3729 3883 7458 7766 11649 13673 23298 27346 39889 41019 42713 79778 82038 85426 119667 128139 239334 256278 438779 877558 1316337 2632674 4826569 9653138 14479707 28959414