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6976201 = 13215281
BaseRepresentation
bin11010100111001011001001
3111010102112211
4122213023021
53241214301
6405305121
7113203531
oct32471311
914112484
106976201
113a35361
1224051a1
1315a343b
14cd84c1
1592c051
hex6a72c9

6976201 has 4 divisors (see below), whose sum is σ = 6982804. Its totient is φ = 6969600.

The previous prime is 6976181. The next prime is 6976217. The reversal of 6976201 is 1026796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3822025 + 3154176 = 1955^2 + 1776^2 .

It is a 3-Lehmer number, since φ(6976201) divides (6976201-1)3.

It is a cyclic number.

It is not a de Polignac number, because 6976201 - 25 = 6976169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6976261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 3961.

It is an arithmetic number, because the mean of its divisors is an integer number (1745701).

Almost surely, 26976201 is an apocalyptic number.

6976201 is the 1321-st decagonal number.

It is an amenable number.

6976201 is a deficient number, since it is larger than the sum of its proper divisors (6603).

6976201 is a wasteful number, since it uses less digits than its factorization.

6976201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 6976201 is about 2641.2498935163. The cubic root of 6976201 is about 191.0760823692.

The spelling of 6976201 in words is "six million, nine hundred seventy-six thousand, two hundred one".

Divisors: 1 1321 5281 6976201