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2940249 = 31375391
BaseRepresentation
bin1011001101110101011001
312112101021010
423031311121
51223041444
6143004133
733664104
oct13156531
95471233
102940249
111729064
12b99649
137bc3c0
1456773b
153d12b9
hex2cdd59

2940249 has 8 divisors (see below), whose sum is σ = 4221952. Its totient is φ = 1809360.

The previous prime is 2940247. The next prime is 2940263. The reversal of 2940249 is 9420492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2940249 - 21 = 2940247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2940247) 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, 37657 + ... + 37734.

It is an arithmetic number, because the mean of its divisors is an integer number (527744).

22940249 is an apocalyptic number.

It is an amenable number.

2940249 is a deficient number, since it is larger than the sum of its proper divisors (1281703).

2940249 is a wasteful number, since it uses less digits than its factorization.

2940249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75407.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2940249 is about 1714.7154282854. The cubic root of 2940249 is about 143.2610193485.

The spelling of 2940249 in words is "two million, nine hundred forty thousand, two hundred forty-nine".

Divisors: 1 3 13 39 75391 226173 980083 2940249