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2239380 = 22335111329
BaseRepresentation
bin1000100010101110010100
311012202212000
420202232110
51033130010
6115555300
725014543
oct10425624
94182760
102239380
11129a530
128bbb30
136053a0
1442415a
152e37c0
hex222b94

2239380 has 192 divisors, whose sum is σ = 8467200. Its totient is φ = 483840.

The previous prime is 2239373. The next prime is 2239387. The reversal of 2239380 is 839322.

It is an interprime number because it is at equal distance from previous prime (2239373) and next prime (2239387).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77206 + ... + 77234.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

22239380 is an apocalyptic number.

2239380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2239380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

2239380 is an abundant number, since it is smaller than the sum of its proper divisors (6227820).

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

2239380 is a wasteful number, since it uses less digits than its factorization.

2239380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2239380 is about 1496.4558129126. The cubic root of 2239380 is about 130.8305795013.

The spelling of 2239380 in words is "two million, two hundred thirty-nine thousand, three hundred eighty".