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2801201 = 131511427
BaseRepresentation
bin1010101011111000110001
312021022112012
422223320301
51204114301
6140012305
732544524
oct12537061
95238465
102801201
111643647
12b31095
13771020
1452cbbb
153a4ebb
hex2abe31

2801201 has 8 divisors (see below), whose sum is σ = 3038784. Its totient is φ = 2566800.

The previous prime is 2801179. The next prime is 2801219. The reversal of 2801201 is 1021082.

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 2801201 - 26 = 2801137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2801221) 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, 1250 + ... + 2676.

It is an arithmetic number, because the mean of its divisors is an integer number (379848).

22801201 is an apocalyptic number.

It is an amenable number.

2801201 is a deficient number, since it is larger than the sum of its proper divisors (237583).

2801201 is a wasteful number, since it uses less digits than its factorization.

2801201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2801201 is about 1673.6788819842. The cubic root of 2801201 is about 140.9661236793.

Adding to 2801201 its reverse (1021082), we get a palindrome (3822283).

The spelling of 2801201 in words is "two million, eight hundred one thousand, two hundred one".

Divisors: 1 13 151 1427 1963 18551 215477 2801201