Search a number
-
+
2940815 = 53118973
BaseRepresentation
bin1011001101111110001111
312112102001002
423031332033
51223101230
6143010515
733665543
oct13157617
95472032
102940815
111729529
12b99a3b
137bc737
14567a23
153d1545
hex2cdf8f

2940815 has 8 divisors (see below), whose sum is σ = 3643008. Its totient is φ = 2276640.

The previous prime is 2940799. The next prime is 2940853. The reversal of 2940815 is 5180492.

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

It is not a de Polignac number, because 2940815 - 24 = 2940799 is a prime.

It is a Duffinian number.

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, 9332 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (455376).

22940815 is an apocalyptic number.

2940815 is a deficient number, since it is larger than the sum of its proper divisors (702193).

2940815 is a wasteful number, since it uses less digits than its factorization.

2940815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19009.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2940815 is about 1714.8804623063. The cubic root of 2940815 is about 143.2702113744.

The spelling of 2940815 in words is "two million, nine hundred forty thousand, eight hundred fifteen".

Divisors: 1 5 31 155 18973 94865 588163 2940815