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28954614 = 2313371213
BaseRepresentation
bin110111001110…
…0111111110110
32000111001021010
41232130333312
524403021424
62512333050
7501052533
oct156347766
960431233
1028954614
1115387037
129844186
135cca210
143bb9d8a
15281e229
hex1b9cff6

28954614 has 16 divisors (see below), whose sum is σ = 62363952. Its totient is φ = 8909088.

The previous prime is 28954591. The next prime is 28954619. The reversal of 28954614 is 41645982.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28954619) 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, 185529 + ... + 185684.

It is an arithmetic number, because the mean of its divisors is an integer number (3897747).

Almost surely, 228954614 is an apocalyptic number.

28954614 is an abundant number, since it is smaller than the sum of its proper divisors (33409338).

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

28954614 is a wasteful number, since it uses less digits than its factorization.

28954614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371231.

The product of its digits is 69120, while the sum is 39.

The square root of 28954614 is about 5380.9491727761. The cubic root of 28954614 is about 307.0713228242.

The spelling of 28954614 in words is "twenty-eight million, nine hundred fifty-four thousand, six hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 371213 742426 1113639 2227278 4825769 9651538 14477307 28954614