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28414316 = 2272294999
BaseRepresentation
bin110110001100…
…1000101101100
31222110121010002
41230121011230
524233224231
62453003432
7463342400
oct154310554
958417102
1028414316
1115048107
129623578
135b6b308
143ab9100
1527640cb
hex1b1916c

28414316 has 36 divisors (see below), whose sum is σ = 59850000. Its totient is φ = 11755296.

The previous prime is 28414313. The next prime is 28414333. The reversal of 28414316 is 61341482.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (28414313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3185 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (1662500).

Almost surely, 228414316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28414316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29925000).

28414316 is an abundant number, since it is smaller than the sum of its proper divisors (31435684).

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

28414316 is a wasteful number, since it uses less digits than its factorization.

28414316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 5037 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 28414316 is about 5330.5080433295. The cubic root of 28414316 is about 305.1493168370.

Adding to 28414316 its reverse (61341482), we get a palindrome (89755798).

The spelling of 28414316 in words is "twenty-eight million, four hundred fourteen thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 29 49 58 98 116 196 203 406 812 1421 2842 4999 5684 9998 19996 34993 69986 139972 144971 244951 289942 489902 579884 979804 1014797 2029594 4059188 7103579 14207158 28414316