Search a number
-
+
31734274 = 211131761107
BaseRepresentation
bin111100100001…
…1101000000010
32012201021020111
41321003220002
531110444044
63052101534
7533510515
oct171035002
965637214
1031734274
1116a05480
12a7648aa
1367614a0
144300d7c
152bbcb34
hex1e43a02

31734274 has 64 divisors (see below), whose sum is σ = 60746112. Its totient is φ = 12211200.

The previous prime is 31734247. The next prime is 31734289. The reversal of 31734274 is 47243713.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296529 + ... + 296635.

It is an arithmetic number, because the mean of its divisors is an integer number (949158).

Almost surely, 231734274 is an apocalyptic number.

31734274 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31734274 is a deficient number, since it is larger than the sum of its proper divisors (29011838).

31734274 is a wasteful number, since it uses less digits than its factorization.

31734274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its digits is 14112, while the sum is 31.

The square root of 31734274 is about 5633.3182051079. The cubic root of 31734274 is about 316.5989880605.

Adding to 31734274 its reverse (47243713), we get a palindrome (78977987).

It can be divided in two parts, 3173 and 4274, that added together give a palindrome (7447).

The spelling of 31734274 in words is "thirty-one million, seven hundred thirty-four thousand, two hundred seventy-four".

Divisors: 1 2 11 13 17 22 26 34 61 107 122 143 187 214 221 286 374 442 671 793 1037 1177 1342 1391 1586 1819 2074 2354 2431 2782 3638 4862 6527 8723 11407 13054 13481 15301 17446 20009 22814 23647 26962 30602 40018 47294 71797 84851 110959 143594 148291 169702 221918 260117 296582 520234 933361 1220549 1442467 1866722 2441098 2884934 15867137 31734274