Search a number
-
+
34451031 = 361792383
BaseRepresentation
bin1000001101101…
…0111001010111
32101211021221010
42003122321113
532304413111
63230223303
7565554216
oct203327127
971737833
1034451031
11184a062a
12b654b33
1371a2c34
14480b07d
153057aa6
hex20dae57

34451031 has 16 divisors (see below), whose sum is σ = 47298560. Its totient is φ = 22295520.

The previous prime is 34451023. The next prime is 34451063. The reversal of 34451031 is 13015443.

It is not a de Polignac number, because 34451031 - 23 = 34451023 is a prime.

It is a super-2 number, since 2×344510312 = 2373747073925922, which contains 22 as substring.

It is the 5870-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34450989 and 34451007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34451071) by changing a digit.

It is a nontrivial repunit in base 5869.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13266 + ... + 15648.

It is an arithmetic number, because the mean of its divisors is an integer number (2956160).

Almost surely, 234451031 is an apocalyptic number.

34451031 is a deficient number, since it is larger than the sum of its proper divisors (12847529).

34451031 is a wasteful number, since it uses less digits than its factorization.

34451031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 34451031 is about 5869.5000638896. The cubic root of 34451031 is about 325.3874070524.

Adding to 34451031 its reverse (13015443), we get a palindrome (47466474).

The spelling of 34451031 in words is "thirty-four million, four hundred fifty-one thousand, thirty-one".

Divisors: 1 3 61 79 183 237 2383 4819 7149 14457 145363 188257 436089 564771 11483677 34451031