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30594400 = 2552167229
BaseRepresentation
bin111010010110…
…1010101100000
32010120100121221
41310231111200
530313010100
63011424424
7521022334
oct164552540
963510557
1030594400
11162a7031
12a2b5114
1364526c5
1440c57c4
152a4501a
hex1d2d560

30594400 has 72 divisors (see below), whose sum is σ = 75463920. Its totient is φ = 12111360.

The previous prime is 30594359. The next prime is 30594401. The reversal of 30594400 is 449503.

It is a super-2 number, since 2×305944002 = 1872034622720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30594401) 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, 133486 + ... + 133714.

It is an arithmetic number, because the mean of its divisors is an integer number (1048110).

Almost surely, 230594400 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 30594400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37731960).

30594400 is an abundant number, since it is smaller than the sum of its proper divisors (44869520).

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

30594400 is a wasteful number, since it uses less digits than its factorization.

30594400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30594400 is about 5531.2204801472. The cubic root of 30594400 is about 312.7619989462.

The spelling of 30594400 in words is "thirty million, five hundred ninety-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 167 200 229 334 400 458 668 800 835 916 1145 1336 1670 1832 2290 2672 3340 3664 4175 4580 5344 5725 6680 7328 8350 9160 11450 13360 16700 18320 22900 26720 33400 36640 38243 45800 66800 76486 91600 133600 152972 183200 191215 305944 382430 611888 764860 956075 1223776 1529720 1912150 3059440 3824300 6118880 7648600 15297200 30594400