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2240757 = 33372243
BaseRepresentation
bin1000100011000011110101
311012211202000
420203003311
51033201012
6120005513
725021551
oct10430365
94184660
102240757
1112a0572
12900899
13605bbc
14424861
152e3ddc
hex2230f5

2240757 has 16 divisors (see below), whose sum is σ = 3410880. Its totient is φ = 1452816.

The previous prime is 2240747. The next prime is 2240759. The reversal of 2240757 is 7570422.

It is not a de Polignac number, because 2240757 - 24 = 2240741 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2240757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (213180).

22240757 is an apocalyptic number.

2240757 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2240757 is a deficient number, since it is larger than the sum of its proper divisors (1170123).

2240757 is a wasteful number, since it uses less digits than its factorization.

2240757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2240757 is about 1496.9158292970. The cubic root of 2240757 is about 130.8573900165.

The spelling of 2240757 in words is "two million, two hundred forty thousand, seven hundred fifty-seven".

Divisors: 1 3 9 27 37 111 333 999 2243 6729 20187 60561 82991 248973 746919 2240757