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30032534 = 2759103353
BaseRepresentation
bin111001010010…
…0001010010110
32002111210220002
41302210022112
530142020114
62551411302
7513162260
oct162441226
962453802
1030032534
1115a52984
12a083b32
1362b6a3c
143dbab30
1529837de
hex1ca4296

30032534 has 32 divisors (see below), whose sum is σ = 53015040. Its totient is φ = 12494592.

The previous prime is 30032473. The next prime is 30032543. The reversal of 30032534 is 43523003.

It is a super-2 number, since 2×300325342 = 1803906196922312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84902 + ... + 85254.

It is an arithmetic number, because the mean of its divisors is an integer number (1656720).

Almost surely, 230032534 is an apocalyptic number.

30032534 is a deficient number, since it is larger than the sum of its proper divisors (22982506).

30032534 is a wasteful number, since it uses less digits than its factorization.

30032534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30032534 is about 5480.1947045703. The cubic root of 30032534 is about 310.8355330189.

Adding to 30032534 its reverse (43523003), we get a palindrome (73555537).

The spelling of 30032534 in words is "thirty million, thirty-two thousand, five hundred thirty-four".

Divisors: 1 2 7 14 59 103 118 206 353 413 706 721 826 1442 2471 4942 6077 12154 20827 36359 41654 42539 72718 85078 145789 254513 291578 509026 2145181 4290362 15016267 30032534