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2940439 = 17269643
BaseRepresentation
bin1011001101111000010111
312112101112011
423031320113
51223043224
6143005051
733664465
oct13157027
95471464
102940439
111729217
12b99787
137bc508
14567835
153d1394
hex2cde17

2940439 has 8 divisors (see below), whose sum is σ = 3129840. Its totient is φ = 2752896.

The previous prime is 2940437. The next prime is 2940449. The reversal of 2940439 is 9340492.

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

It is a cyclic number.

It is not a de Polignac number, because 2940439 - 21 = 2940437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2940439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940437) 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, 4252 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (391230).

22940439 is an apocalyptic number.

2940439 is a deficient number, since it is larger than the sum of its proper divisors (189401).

2940439 is a wasteful number, since it uses less digits than its factorization.

2940439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2940439 is about 1714.7708301694. The cubic root of 2940439 is about 143.2641051424.

The spelling of 2940439 in words is "two million, nine hundred forty thousand, four hundred thirty-nine".

Divisors: 1 17 269 643 4573 10931 172967 2940439