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119617969 = 109372
BaseRepresentation
bin1110010000100…
…11100110110001
322100002020000011
413020103212301
5221110233334
615511454521
72651510302
oct710234661
9270066004
10119617969
1161580829
1234087441
131ba22083
1411c5a7a9
15a77c564
hex72139b1

119617969 has 3 divisors (see below), whose sum is σ = 119628907. Its totient is φ = 119607032.

The previous prime is 119617919. The next prime is 119617973. The reversal of 119617969 is 969716911.

It is a happy number.

The square root of 119617969 is 10937.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 114383025 + 5234944 = 10695^2 + 2288^2 .

It is not a de Polignac number, because 119617969 - 215 = 119585201 is a prime.

It is a super-2 number, since 2×1196179692 = 28616917015369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119617919) 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 2 ways as a sum of consecutive naturals, for example, 5469 + ... + 16405.

Almost surely, 2119617969 is an apocalyptic number.

119617969 is the 10937-th square number.

119617969 is the 5469-th centered octagonal number.

It is an amenable number.

119617969 is a deficient number, since it is larger than the sum of its proper divisors (10938).

119617969 is an frugal number, since it uses more digits than its factorization.

119617969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874 (or 10937 counting only the distinct ones).

The product of its digits is 183708, while the sum is 49.

The cubic root of 119617969 is about 492.7184309413.

Multiplying 119617969 by its sum of digits (49), we get a square (5861280481 = 765592).

The spelling of 119617969 in words is "one hundred nineteen million, six hundred seventeen thousand, nine hundred sixty-nine".

Divisors: 1 10937 119617969