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31034146 = 21113217491
BaseRepresentation
bin111011001100…
…0101100100010
32011101200211211
41312120230202
530421043041
63025100334
7524533363
oct166305442
964350754
1031034146
1116577460
12a4876aa
136577900
14419bb6a
152ad0481
hex1d98b22

31034146 has 48 divisors (see below), whose sum is σ = 58343328. Its totient is φ = 12230400.

The previous prime is 31034119. The next prime is 31034149. The reversal of 31034146 is 64143013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31034149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62961 + ... + 63451.

It is an arithmetic number, because the mean of its divisors is an integer number (1215486).

Almost surely, 231034146 is an apocalyptic number.

31034146 is a deficient number, since it is larger than the sum of its proper divisors (27309182).

31034146 is a wasteful number, since it uses less digits than its factorization.

31034146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 31034146 is about 5570.8299202184. The cubic root of 31034146 is about 314.2533622543.

Adding to 31034146 its reverse (64143013), we get a palindrome (95177159).

The spelling of 31034146 in words is "thirty-one million, thirty-four thousand, one hundred forty-six".

Divisors: 1 2 11 13 17 22 26 34 143 169 187 221 286 338 374 442 491 982 1859 2431 2873 3718 4862 5401 5746 6383 8347 10802 12766 16694 31603 63206 70213 82979 91817 108511 140426 165958 183634 217022 912769 1193621 1410643 1825538 2387242 2821286 15517073 31034146