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2472378 = 231724239
BaseRepresentation
bin1001011011100110111010
311122121110120
421123212322
51113104003
6124554110
730005046
oct11334672
94577416
102472378
111439597
129b2936
1368745c
14485026
1533c853
hex25b9ba

2472378 has 16 divisors (see below), whose sum is σ = 5235840. Its totient is φ = 775616.

The previous prime is 2472373. The next prime is 2472389. The reversal of 2472378 is 8732742.

It is a super-2 number, since 2×24723782 = 12225305949768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2472373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12018 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (327240).

22472378 is an apocalyptic number.

2472378 is an abundant number, since it is smaller than the sum of its proper divisors (2763462).

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

2472378 is a wasteful number, since it uses less digits than its factorization.

2472378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24261.

The product of its digits is 18816, while the sum is 33.

The square root of 2472378 is about 1572.3797251300. The cubic root of 2472378 is about 135.2191775721.

It can be divided in two parts, 2472 and 378, that added together give a triangular number (2850 = T75).

The spelling of 2472378 in words is "two million, four hundred seventy-two thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 24239 48478 72717 145434 412063 824126 1236189 2472378