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30540352 = 264391087
BaseRepresentation
bin111010010000…
…0001001000000
32010110121111011
41310200021000
530304242402
63010330304
7520405633
oct164401100
963417434
1030540352
111626a467
12a289994
136433c1b
1440adc1a
152a33ed7
hex1d20240

30540352 has 28 divisors (see below), whose sum is σ = 60797440. Its totient is φ = 15221376.

The previous prime is 30540337. The next prime is 30540359. The reversal of 30540352 is 25304503.

It is not an unprimeable number, because it can be changed into a prime (30540359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27553 + ... + 28639.

Almost surely, 230540352 is an apocalyptic number.

30540352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30540352 is a deficient number, since it is larger than the sum of its proper divisors (30257088).

30540352 is a wasteful number, since it uses less digits than its factorization.

30540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30540352 is about 5526.3325994732. The cubic root of 30540352 is about 312.5777154980.

Adding to 30540352 its reverse (25304503), we get a palindrome (55844855).

The spelling of 30540352 in words is "thirty million, five hundred forty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 439 878 1087 1756 2174 3512 4348 7024 8696 14048 17392 28096 34784 69568 477193 954386 1908772 3817544 7635088 15270176 30540352