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30237230 = 253023723
BaseRepresentation
bin111001101011…
…0001000101110
32002220012200102
41303112020232
530220042410
63000031102
7515004122
oct163261056
962805612
1030237230
1116082751
12a162492
136358c6a
144031582
1529c42a5
hex1cd622e

30237230 has 8 divisors (see below), whose sum is σ = 54427032. Its totient is φ = 12094888.

The previous prime is 30237211. The next prime is 30237241. The reversal of 30237230 is 3273203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1511852 + ... + 1511871.

It is an arithmetic number, because the mean of its divisors is an integer number (6803379).

Almost surely, 230237230 is an apocalyptic number.

30237230 is a deficient number, since it is larger than the sum of its proper divisors (24189802).

30237230 is a wasteful number, since it uses less digits than its factorization.

30237230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023730.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30237230 is about 5498.8389683641. The cubic root of 30237230 is about 311.5401331165.

The spelling of 30237230 in words is "thirty million, two hundred thirty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 3023723 6047446 15118615 30237230