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31424558 = 2111428389
BaseRepresentation
bin111011111100…
…0000000101110
32012010112101112
41313320000232
531021041213
63041312022
7531050534
oct167700056
965115345
1031424558
1116813810
12a635612
136683519
144260154
152b5aea8
hex1df802e

31424558 has 8 divisors (see below), whose sum is σ = 51422040. Its totient is φ = 14283880.

The previous prime is 31424539. The next prime is 31424593. The reversal of 31424558 is 85542413.

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, 714173 + ... + 714216.

It is an arithmetic number, because the mean of its divisors is an integer number (6427755).

Almost surely, 231424558 is an apocalyptic number.

31424558 is a deficient number, since it is larger than the sum of its proper divisors (19997482).

31424558 is a wasteful number, since it uses less digits than its factorization.

31424558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428402.

The product of its digits is 19200, while the sum is 32.

The square root of 31424558 is about 5605.7611436807. The cubic root of 31424558 is about 315.5656519854.

The spelling of 31424558 in words is "thirty-one million, four hundred twenty-four thousand, five hundred fifty-eight".

Divisors: 1 2 11 22 1428389 2856778 15712279 31424558