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2400380 = 225257467
BaseRepresentation
bin1001001010000001111100
311111221200222
421022001330
51103303010
6123240512
726255123
oct11120174
94457628
102400380
11139a494
12979138
13660758
14466aba
15326355
hex24a07c

2400380 has 24 divisors (see below), whose sum is σ = 5071248. Its totient is φ = 954368.

The previous prime is 2400367. The next prime is 2400407. The reversal of 2400380 is 830042.

It is a congruent number.

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, 4907 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (211302).

22400380 is an apocalyptic number.

2400380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400380 is an abundant number, since it is smaller than the sum of its proper divisors (2670868).

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

2400380 is a wasteful number, since it uses less digits than its factorization.

2400380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2400380 is about 1549.3159781013. The cubic root of 2400380 is about 133.8936558802.

The spelling of 2400380 in words is "two million, four hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 257 467 514 934 1028 1285 1868 2335 2570 4670 5140 9340 120019 240038 480076 600095 1200190 2400380