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141681437 is a prime number
BaseRepresentation
bin10000111000111…
…10001100011101
3100212121011101122
420130132030131
5242232301222
622020420325
73340162262
oct1034361435
9325534348
10141681437
1172a803a7
123b5476a5
1323478791
1414b61269
15c689a42
hex871e31d

141681437 has 2 divisors, whose sum is σ = 141681438. Its totient is φ = 141681436.

The previous prime is 141681391. The next prime is 141681457. The reversal of 141681437 is 734186141.

It is a happy number.

141681437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 42758521 = 9946^2 + 6539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141681437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141681397 and 141681406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141681457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70840718 + 70840719.

It is an arithmetic number, because the mean of its divisors is an integer number (70840719).

Almost surely, 2141681437 is an apocalyptic number.

It is an amenable number.

141681437 is a deficient number, since it is larger than the sum of its proper divisors (1).

141681437 is an equidigital number, since it uses as much as digits as its factorization.

141681437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 141681437 is about 11903.0011761740. The cubic root of 141681437 is about 521.3199172795.

The spelling of 141681437 in words is "one hundred forty-one million, six hundred eighty-one thousand, four hundred thirty-seven".