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30318468 = 2232938623
BaseRepresentation
bin111001110100…
…1111110000100
32010001100010020
41303221332010
530230142333
63001455140
7515463015
oct163517604
963040106
1030318468
1116128794
12a1a14b0
136386c2b
14405300c
1529dd3b3
hex1ce9f84

30318468 has 24 divisors (see below), whose sum is σ = 70992768. Its totient is φ = 10070496.

The previous prime is 30318467. The next prime is 30318469. The reversal of 30318468 is 86481303.

It is an interprime number because it is at equal distance from previous prime (30318467) and next prime (30318469).

It is not an unprimeable number, because it can be changed into a prime (30318461) 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, 796 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (2958032).

Almost surely, 230318468 is an apocalyptic number.

It is an amenable number.

30318468 is an abundant number, since it is smaller than the sum of its proper divisors (40674300).

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

30318468 is a wasteful number, since it uses less digits than its factorization.

30318468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30318468 is about 5506.2208455528. The cubic root of 30318468 is about 311.8188873256.

The spelling of 30318468 in words is "thirty million, three hundred eighteen thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 293 586 879 1172 1758 3516 8623 17246 25869 34492 51738 103476 2526539 5053078 7579617 10106156 15159234 30318468