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30953056 = 251723347
BaseRepresentation
bin111011000010…
…0111001100000
32011020120121111
41312010321200
530410444211
63023233104
7524045101
oct166047140
964216544
1030953056
1116521542
12a448794
136549a24
14417a3a8
152ab6421
hex1d84e60

30953056 has 36 divisors (see below), whose sum is σ = 64753668. Its totient is φ = 14561792.

The previous prime is 30953051. The next prime is 30953059. The reversal of 30953056 is 65035903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30953051) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7575 + ... + 10921.

It is an arithmetic number, because the mean of its divisors is an integer number (1798713).

Almost surely, 230953056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30953056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32376834).

30953056 is an abundant number, since it is smaller than the sum of its proper divisors (33800612).

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

30953056 is a wasteful number, since it uses less digits than its factorization.

30953056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 30953056 is about 5563.5470699905. The cubic root of 30953056 is about 313.9794163418.

Adding to 30953056 its reverse (65035903), we get a palindrome (95988959).

The spelling of 30953056 in words is "thirty million, nine hundred fifty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 289 544 578 1156 2312 3347 4624 6694 9248 13388 26776 53552 56899 107104 113798 227596 455192 910384 967283 1820768 1934566 3869132 7738264 15476528 30953056