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31034830 = 253103483
BaseRepresentation
bin111011001100…
…0110111001110
32011101201210011
41312120313032
530421103310
63025103434
7524535361
oct166306716
964351704
1031034830
1116577a22
12a487b7a
136578008
14419c0d8
152ad078a
hex1d98dce

31034830 has 8 divisors (see below), whose sum is σ = 55862712. Its totient is φ = 12413928.

The previous prime is 31034821. The next prime is 31034831. The reversal of 31034830 is 3843013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551732 + ... + 1551751.

It is an arithmetic number, because the mean of its divisors is an integer number (6982839).

Almost surely, 231034830 is an apocalyptic number.

31034830 is a deficient number, since it is larger than the sum of its proper divisors (24827882).

31034830 is a wasteful number, since it uses less digits than its factorization.

31034830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103490.

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

The square root of 31034830 is about 5570.8913110920. The cubic root of 31034830 is about 314.2556709771.

Adding to 31034830 its reverse (3843013), we get a palindrome (34877843).

The spelling of 31034830 in words is "thirty-one million, thirty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 3103483 6206966 15517415 31034830