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141393969 = 3221537297
BaseRepresentation
bin10000110110110…
…00000000110001
3100212001120001200
420123120000301
5242144101334
622010321413
73334554213
oct1033300061
9325046050
10141393969
11728a4422
123b429269
13233a7992
1414ac85b3
15c62e799
hex86d8031

141393969 has 12 divisors (see below), whose sum is σ = 204358596. Its totient is φ = 94205952.

The previous prime is 141393961. The next prime is 141394003. The reversal of 141393969 is 969393141.

It can be written as a sum of positive squares in 2 ways, for example, as 26625600 + 114768369 = 5160^2 + 10713^2 .

It is not a de Polignac number, because 141393969 - 23 = 141393961 is a prime.

It is a super-2 number, since 2×1413939692 = 39984508939145922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141393961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15729 + ... + 23025.

It is an arithmetic number, because the mean of its divisors is an integer number (17029883).

Almost surely, 2141393969 is an apocalyptic number.

It is an amenable number.

141393969 is a deficient number, since it is larger than the sum of its proper divisors (62964627).

141393969 is a wasteful number, since it uses less digits than its factorization.

141393969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 9453 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 141393969 is about 11890.9196027893. The cubic root of 141393969 is about 520.9670969725.

The spelling of 141393969 in words is "one hundred forty-one million, three hundred ninety-three thousand, nine hundred sixty-nine".

Divisors: 1 3 9 2153 6459 7297 19377 21891 65673 15710441 47131323 141393969