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31004834 = 273117121
BaseRepresentation
bin111011001000…
…1100010100010
32011100012122012
41312101202202
530414123314
63024312522
7524352050
oct166214242
964305565
1031004834
1116557433
12a472742
136567473
1441911d0
152ac693e
hex1d918a2

31004834 has 16 divisors (see below), whose sum is σ = 53329536. Its totient is φ = 13243200.

The previous prime is 31004833. The next prime is 31004837. The reversal of 31004834 is 43840013.

It is a super-2 number, since 2×310048342 = 1922599462735112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004833) by changing a digit.

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, 794 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (3333096).

Almost surely, 231004834 is an apocalyptic number.

31004834 is a deficient number, since it is larger than the sum of its proper divisors (22324702).

31004834 is a wasteful number, since it uses less digits than its factorization.

31004834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31004834 is about 5568.1984519232. The cubic root of 31004834 is about 314.1543928142.

Adding to 31004834 its reverse (43840013), we get a palindrome (74844847).

The spelling of 31004834 in words is "thirty-one million, four thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 311 622 2177 4354 7121 14242 49847 99694 2214631 4429262 15502417 31004834