Search a number
-
+
10897947 = 321210883
BaseRepresentation
bin101001100100…
…101000011011
3202111200011200
4221210220123
510242213242
61025325243
7161426304
oct51445033
922450150
1010897947
116173875
123796823
1323474b8
1416397ab
15e5404c
hexa64a1b

10897947 has 6 divisors (see below), whose sum is σ = 15741492. Its totient is φ = 7265292.

The previous prime is 10897927. The next prime is 10897967. The reversal of 10897947 is 74979801.

It is an interprime number because it is at equal distance from previous prime (10897927) and next prime (10897967).

It is not a de Polignac number, because 10897947 - 210 = 10896923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10897927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605433 + ... + 605450.

It is an arithmetic number, because the mean of its divisors is an integer number (2623582).

Almost surely, 210897947 is an apocalyptic number.

10897947 is a deficient number, since it is larger than the sum of its proper divisors (4843545).

10897947 is a wasteful number, since it uses less digits than its factorization.

10897947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210889 (or 1210886 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 10897947 is about 3301.2038713173. The cubic root of 10897947 is about 221.7081018766.

It can be divided in two parts, 1089794 and 7, that added together give a palindrome (1089801).

The spelling of 10897947 in words is "ten million, eight hundred ninety-seven thousand, nine hundred forty-seven".

Divisors: 1 3 9 1210883 3632649 10897947