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31027244 = 2217456283
BaseRepresentation
bin111011001011…
…1000000101100
32011101100101012
41312113000230
530420332434
63025004352
7524504303
oct166270054
964340335
1031027244
1116572256
12a4836b8
136574721
14419943a
152acd3ce
hex1d9702c

31027244 has 12 divisors (see below), whose sum is σ = 57491784. Its totient is φ = 14601024.

The previous prime is 31027237. The next prime is 31027291. The reversal of 31027244 is 44272013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228074 + ... + 228209.

It is an arithmetic number, because the mean of its divisors is an integer number (4790982).

Almost surely, 231027244 is an apocalyptic number.

31027244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31027244 is a deficient number, since it is larger than the sum of its proper divisors (26464540).

31027244 is a wasteful number, since it uses less digits than its factorization.

31027244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456304 (or 456302 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 31027244 is about 5570.2104089523. The cubic root of 31027244 is about 314.2300638577.

Adding to 31027244 its reverse (44272013), we get a palindrome (75299257).

The spelling of 31027244 in words is "thirty-one million, twenty-seven thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 456283 912566 1825132 7756811 15513622 31027244