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30286896 = 243718887
BaseRepresentation
bin111001110001…
…0010000110000
32002222201210220
41303202100300
530223140041
63001053040
7515301663
oct163422060
962881726
1030286896
1116106aa2
12a187180
136375753
1440456da
1529d3d66
hex1ce2430

30286896 has 40 divisors (see below), whose sum is σ = 79352064. Its totient is φ = 9952320.

The previous prime is 30286891. The next prime is 30286939. The reversal of 30286896 is 69868203.

It is not an unprimeable number, because it can be changed into a prime (30286891) 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, 1036 + ... + 7851.

Almost surely, 230286896 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 30286896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39676032).

30286896 is an abundant number, since it is smaller than the sum of its proper divisors (49065168).

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

30286896 is a wasteful number, since it uses less digits than its factorization.

30286896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969 (or 8963 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 30286896 is about 5503.3531596655. The cubic root of 30286896 is about 311.7106126688.

The spelling of 30286896 in words is "thirty million, two hundred eighty-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 284 426 568 852 1136 1704 3408 8887 17774 26661 35548 53322 71096 106644 142192 213288 426576 630977 1261954 1892931 2523908 3785862 5047816 7571724 10095632 15143448 30286896