Search a number
-
+
2901993 = 38771103
BaseRepresentation
bin1011000100011111101001
312110102210020
423010133221
51220330433
6142111053
733444423
oct13043751
95412706
102901993
111702346
12b7b489
137a7b73
14557813
153c4cb3
hex2c47e9

2901993 has 8 divisors (see below), whose sum is σ = 3877248. Its totient is φ = 1930704.

The previous prime is 2901989. The next prime is 2902049. The reversal of 2901993 is 3991092.

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

It is not a de Polignac number, because 2901993 - 22 = 2901989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2901193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (484656).

22901993 is an apocalyptic number.

It is an amenable number.

2901993 is a deficient number, since it is larger than the sum of its proper divisors (975255).

2901993 is a wasteful number, since it uses less digits than its factorization.

2901993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 2901993 is about 1703.5237010385. The cubic root of 2901993 is about 142.6369750955.

The spelling of 2901993 in words is "two million, nine hundred one thousand, nine hundred ninety-three".

Divisors: 1 3 877 1103 2631 3309 967331 2901993