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141995749 = 730116737
BaseRepresentation
bin10000111011010…
…10111011100101
3100220012010112211
420131222323211
5242322330444
622031243421
73342641530
oct1035527345
9326163484
10141995749
1173175565
123b679571
132355886c
1414c03a17
15c6ecc34
hex876aee5

141995749 has 8 divisors (see below), whose sum is σ = 162358848. Its totient is φ = 121652160.

The previous prime is 141995743. The next prime is 141995753. The reversal of 141995749 is 947599141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141995749 - 27 = 141995621 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 (141995743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17709 + ... + 24445.

It is an arithmetic number, because the mean of its divisors is an integer number (20294856).

Almost surely, 2141995749 is an apocalyptic number.

It is an amenable number.

141995749 is a deficient number, since it is larger than the sum of its proper divisors (20363099).

141995749 is an equidigital number, since it uses as much as digits as its factorization.

141995749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755.

The product of its digits is 408240, while the sum is 49.

The square root of 141995749 is about 11916.1969184803. The cubic root of 141995749 is about 521.7051384943.

The spelling of 141995749 in words is "one hundred forty-one million, nine hundred ninety-five thousand, seven hundred forty-nine".

Divisors: 1 7 3011 6737 21077 47159 20285107 141995749