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2575380 = 223542923
BaseRepresentation
bin1001110100110000010100
311211211202110
421310300110
51124403010
6131111020
730614253
oct11646024
94754673
102575380
1114a9a15
12a42470
136c22c2
144b079a
1535d120
hex274c14

2575380 has 24 divisors (see below), whose sum is σ = 7211232. Its totient is φ = 686752.

The previous prime is 2575373. The next prime is 2575411. The reversal of 2575380 is 835752.

It is a happy number.

It is a hoax number, since the sum of its digits (30) 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 (30).

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, 21402 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (300468).

22575380 is an apocalyptic number.

2575380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575380 is an abundant number, since it is smaller than the sum of its proper divisors (4635852).

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

2575380 is a wasteful number, since it uses less digits than its factorization.

2575380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42935 (or 42933 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2575380 is about 1604.7990528412. The cubic root of 2575380 is about 137.0714813362.

The spelling of 2575380 in words is "two million, five hundred seventy-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 42923 85846 128769 171692 214615 257538 429230 515076 643845 858460 1287690 2575380