Search a number
-
+
31134304 = 2547127163
BaseRepresentation
bin111011011000…
…1001001100000
32011120210020101
41312301021200
530432244204
63031152144
7525431365
oct166611140
964523211
1031134304
1116635733
12a515654
1365b1386
1441c646c
152aeeea4
hex1db1260

31134304 has 48 divisors (see below), whose sum is σ = 63479808. Its totient is φ = 15023232.

The previous prime is 31134289. The next prime is 31134347. The reversal of 31134304 is 40343113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190927 + ... + 191089.

It is an arithmetic number, because the mean of its divisors is an integer number (1322496).

Almost surely, 231134304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31134304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31739904).

31134304 is an abundant number, since it is smaller than the sum of its proper divisors (32345504).

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

31134304 is a wasteful number, since it uses less digits than its factorization.

31134304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31134304 is about 5579.8121832191. The cubic root of 31134304 is about 314.5910675739.

Adding to 31134304 its reverse (40343113), we get a palindrome (71477417).

The spelling of 31134304 in words is "thirty-one million, one hundred thirty-four thousand, three hundred four".

Divisors: 1 2 4 8 16 32 47 94 127 163 188 254 326 376 508 652 752 1016 1304 1504 2032 2608 4064 5216 5969 7661 11938 15322 20701 23876 30644 41402 47752 61288 82804 95504 122576 165608 191008 245152 331216 662432 972947 1945894 3891788 7783576 15567152 31134304