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2190024 = 233310139
BaseRepresentation
bin1000010110101011001000
311010021011000
420112223020
51030040044
6114535000
724420624
oct10265310
94107130
102190024
111266441
12897460
135b8a95
14410184
152d3d69
hex216ac8

2190024 has 32 divisors (see below), whose sum is σ = 6084000. Its totient is φ = 729936.

The previous prime is 2190017. The next prime is 2190031. The reversal of 2190024 is 4200912.

It is an interprime number because it is at equal distance from previous prime (2190017) and next prime (2190031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2189979 and 2190006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4854 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (190125).

22190024 is an apocalyptic number.

2190024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2190024 is an abundant number, since it is smaller than the sum of its proper divisors (3893976).

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

2190024 is a wasteful number, since it uses less digits than its factorization.

2190024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2190024 is about 1479.8729675212. The cubic root of 2190024 is about 129.8622604232.

Adding to 2190024 its reverse (4200912), we get a palindrome (6390936).

The spelling of 2190024 in words is "two million, one hundred ninety thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 10139 20278 30417 40556 60834 81112 91251 121668 182502 243336 273753 365004 547506 730008 1095012 2190024