Search a number
-
+
31411304 = 2389157281
BaseRepresentation
bin111011111010…
…0110001101000
32012002212012122
41313310301220
531020130204
63041130412
7530664101
oct167646150
965085178
1031411304
1116804861
12a629a08
13667a492
1442593a8
152b570be
hex1df4c68

31411304 has 32 divisors (see below), whose sum is σ = 60150600. Its totient is φ = 15375360.

The previous prime is 31411297. The next prime is 31411333. The reversal of 31411304 is 40311413.

It can be written as a sum of positive squares in 4 ways, for example, as 22108804 + 9302500 = 4702^2 + 3050^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111644 + ... + 111924.

Almost surely, 231411304 is an apocalyptic number.

It is an amenable number.

31411304 is a deficient number, since it is larger than the sum of its proper divisors (28739296).

31411304 is a wasteful number, since it uses less digits than its factorization.

31411304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31411304 is about 5604.5788423395. The cubic root of 31411304 is about 315.5212801568.

Adding to 31411304 its reverse (40311413), we get a palindrome (71722717).

It can be divided in two parts, 314 and 11304, that multiplied together give a square (3549456 = 18842).

The spelling of 31411304 in words is "thirty-one million, four hundred eleven thousand, three hundred four".

Divisors: 1 2 4 8 89 157 178 281 314 356 562 628 712 1124 1256 2248 13973 25009 27946 44117 50018 55892 88234 100036 111784 176468 200072 352936 3926413 7852826 15705652 31411304