Search a number
-
+
969149 = 8631123
BaseRepresentation
bin11101100100110111101
31211020102102
43230212331
5222003044
632434445
711144336
oct3544675
91736372
10969149
11602155
123a8a25
1327c17c
141b328d
1514224e
hexec9bd

969149 has 4 divisors (see below), whose sum is σ = 971136. Its totient is φ = 967164.

The previous prime is 969139. The next prime is 969167. The reversal of 969149 is 941969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 969149 - 216 = 903613 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 (969109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (242784).

2969149 is an apocalyptic number.

It is an amenable number.

969149 is a deficient number, since it is larger than the sum of its proper divisors (1987).

969149 is a wasteful number, since it uses less digits than its factorization.

969149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its digits is 17496, while the sum is 38.

The square root of 969149 is about 984.4536555877. The cubic root of 969149 is about 98.9608728828.

The spelling of 969149 in words is "nine hundred sixty-nine thousand, one hundred forty-nine".

Divisors: 1 863 1123 969149