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30657324 = 22317672243
BaseRepresentation
bin111010011110…
…0101100101100
32010200112221110
41310330230230
530322013244
63013032020
7521403645
oct164745454
963615843
1030657324
111633a335
12a325610
136475239
1441006cc
152a589b9
hex1d3cb2c

30657324 has 48 divisors (see below), whose sum is σ = 76906368. Its totient is φ = 9470208.

The previous prime is 30657313. The next prime is 30657329. The reversal of 30657324 is 42375603.

It is a junction number, because it is equal to n+sod(n) for n = 30657291 and 30657300.

It is not an unprimeable number, because it can be changed into a prime (30657329) 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, 12547 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (1602216).

Almost surely, 230657324 is an apocalyptic number.

30657324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30657324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38453184).

30657324 is an abundant number, since it is smaller than the sum of its proper divisors (46249044).

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

30657324 is a wasteful number, since it uses less digits than its factorization.

30657324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 30657324 is about 5536.9056340162. The cubic root of 30657324 is about 312.9762730094.

It can be divided in two parts, 306 and 57324, that added together give a triangular number (57630 = T339).

The spelling of 30657324 in words is "thirty million, six hundred fifty-seven thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 17 34 51 67 68 102 134 201 204 268 402 804 1139 2243 2278 3417 4486 4556 6729 6834 8972 13458 13668 26916 38131 76262 114393 150281 152524 228786 300562 450843 457572 601124 901686 1803372 2554777 5109554 7664331 10219108 15328662 30657324