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30537804 = 22311231347
BaseRepresentation
bin111010001111…
…1100001001100
32010110110222210
41310133201030
530304202204
63010310420
7520365333
oct164374114
963413883
1030537804
1116268560
12a288410
136432a0b
1440acd1a
152a33389
hex1d1f84c

30537804 has 24 divisors (see below), whose sum is σ = 77732928. Its totient is φ = 9253840.

The previous prime is 30537799. The next prime is 30537809. The reversal of 30537804 is 40873503.

It is an interprime number because it is at equal distance from previous prime (30537799) and next prime (30537809).

It is not an unprimeable number, because it can be changed into a prime (30537809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115542 + ... + 115805.

It is an arithmetic number, because the mean of its divisors is an integer number (3238872).

Almost surely, 230537804 is an apocalyptic number.

It is an amenable number.

30537804 is an abundant number, since it is smaller than the sum of its proper divisors (47195124).

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

30537804 is a wasteful number, since it uses less digits than its factorization.

30537804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231365 (or 231363 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30537804 is about 5526.1020620325. The cubic root of 30537804 is about 312.5690224071.

The spelling of 30537804 in words is "thirty million, five hundred thirty-seven thousand, eight hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 231347 462694 694041 925388 1388082 2544817 2776164 5089634 7634451 10179268 15268902 30537804