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7428234 = 2311293881
BaseRepresentation
bin11100010101100010001010
3111222101121210
4130111202022
53400200414
6423113550
7120065442
oct34254212
914871553
107428234
114213a40
1225a28b6
131701108
14db5122
159bae59
hex71588a

7428234 has 32 divisors (see below), whose sum is σ = 16770240. Its totient is φ = 2172800.

The previous prime is 7428227. The next prime is 7428271. The reversal of 7428234 is 4328247.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (524070).

Almost surely, 27428234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7428234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8385120).

7428234 is an abundant number, since it is smaller than the sum of its proper divisors (9342006).

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

7428234 is a wasteful number, since it uses less digits than its factorization.

7428234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its digits is 10752, while the sum is 30.

The square root of 7428234 is about 2725.4786735544. The cubic root of 7428234 is about 195.1170369080.

The spelling of 7428234 in words is "seven million, four hundred twenty-eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 3881 7762 11643 23286 42691 85382 112549 128073 225098 256146 337647 675294 1238039 2476078 3714117 7428234