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2031144 = 23384631
BaseRepresentation
bin111101111111000101000
310211012012120
413233320220
51004444034
6111311240
723156463
oct7577050
93735176
102031144
111168035
1281b520
1356167b
143ac2da
152a1c49
hex1efe28

2031144 has 16 divisors (see below), whose sum is σ = 5077920. Its totient is φ = 677040.

The previous prime is 2031137. The next prime is 2031163. The reversal of 2031144 is 4411302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42292 + ... + 42339.

It is an arithmetic number, because the mean of its divisors is an integer number (317370).

22031144 is an apocalyptic number.

2031144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2031144 is an abundant number, since it is smaller than the sum of its proper divisors (3046776).

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

2031144 is a wasteful number, since it uses less digits than its factorization.

2031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84640 (or 84636 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2031144 is about 1425.1820936287. The cubic root of 2031144 is about 126.6427224670.

Adding to 2031144 its reverse (4411302), we get a palindrome (6442446).

It can be divided in two parts, 203 and 1144, that multiplied together give a palindrome (232232).

The spelling of 2031144 in words is "two million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 84631 169262 253893 338524 507786 677048 1015572 2031144