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31052058 = 235175343
BaseRepresentation
bin111011001110…
…1000100011010
32011102121102020
41312131010122
530422131213
63025315310
7524636532
oct166350432
964377366
1031052058
1116589964
12a495b36
136582acb
1441a44c2
152ad5923
hex1d9d11a

31052058 has 8 divisors (see below), whose sum is σ = 62104128. Its totient is φ = 10350684.

The previous prime is 31052057. The next prime is 31052071. The reversal of 31052058 is 85025013.

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

31052058 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31052051) 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 3 ways as a sum of consecutive naturals, for example, 2587666 + ... + 2587677.

It is an arithmetic number, because the mean of its divisors is an integer number (7763016).

Almost surely, 231052058 is an apocalyptic number.

31052058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31052058 is a wasteful number, since it uses less digits than its factorization.

31052058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175348.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 31052058 is about 5572.4373482346. The cubic root of 31052058 is about 314.3138099047.

The spelling of 31052058 in words is "thirty-one million, fifty-two thousand, fifty-eight".

Divisors: 1 2 3 6 5175343 10350686 15526029 31052058