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30864024 = 2333433323
BaseRepresentation
bin111010110111…
…1001010011000
32011002001111000
41311233022120
530400122044
63021305000
7523224402
oct165571230
964061430
1030864024
1116470664
12a405160
136518349
144155b72
152a99d69
hex1d6f298

30864024 has 64 divisors (see below), whose sum is σ = 87753600. Its totient is φ = 10045728.

The previous prime is 30864023. The next prime is 30864049. The reversal of 30864024 is 42046803.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30864023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7627 + ... + 10949.

It is an arithmetic number, because the mean of its divisors is an integer number (1371150).

Almost surely, 230864024 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 30864024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43876800).

30864024 is an abundant number, since it is smaller than the sum of its proper divisors (56889576).

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

30864024 is a wasteful number, since it uses less digits than its factorization.

30864024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30864024 is about 5555.5399377558. The cubic root of 30864024 is about 313.6780884169.

The spelling of 30864024 in words is "thirty million, eight hundred sixty-four thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 43 54 72 86 108 129 172 216 258 344 387 516 774 1032 1161 1548 2322 3096 3323 4644 6646 9288 9969 13292 19938 26584 29907 39876 59814 79752 89721 119628 142889 179442 239256 285778 358884 428667 571556 717768 857334 1143112 1286001 1714668 2572002 3429336 3858003 5144004 7716006 10288008 15432012 30864024