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30527430 = 2352935089
BaseRepresentation
bin111010001110…
…0111111000110
32010102221202120
41310130333012
530303334210
63010150410
7520323153
oct164347706
963387676
1030527430
111626078a
12a282406
13642b08b
1440a922a
152a30270
hex1d1cfc6

30527430 has 32 divisors (see below), whose sum is σ = 75794400. Its totient is φ = 7859712.

The previous prime is 30527423. The next prime is 30527437. The reversal of 30527430 is 3472503.

It is an interprime number because it is at equal distance from previous prime (30527423) and next prime (30527437).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 30527430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30527437) 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, 16675 + ... + 18414.

It is an arithmetic number, because the mean of its divisors is an integer number (2368575).

Almost surely, 230527430 is an apocalyptic number.

30527430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30527430 is an abundant number, since it is smaller than the sum of its proper divisors (45266970).

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

30527430 is a wasteful number, since it uses less digits than its factorization.

30527430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30527430 is about 5525.1633460016. The cubic root of 30527430 is about 312.5336241153.

Adding to 30527430 its reverse (3472503), we get a palindrome (33999933).

The spelling of 30527430 in words is "thirty million, five hundred twenty-seven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 35089 70178 105267 175445 210534 350890 526335 1017581 1052670 2035162 3052743 5087905 6105486 10175810 15263715 30527430