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141225531 = 3318714771
BaseRepresentation
bin10000110101011…
…10111000111011
3100211202000000020
420122232320323
5242123204111
622002541523
73333253146
oct1032567073
9324660006
10141225531
1172799917
123b3678a3
1323349105
1414a8305d
15c5e9906
hex86aee3b

141225531 has 8 divisors (see below), whose sum is σ = 188372544. Its totient is φ = 94114440.

The previous prime is 141225517. The next prime is 141225533. The reversal of 141225531 is 135522141.

It is a happy number.

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

It is not a de Polignac number, because 141225531 - 214 = 141209147 is a prime.

It is a super-2 number, since 2×1412255312 = 39889301212463922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141225533) 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, 2176 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (23546568).

Almost surely, 2141225531 is an apocalyptic number.

141225531 is a deficient number, since it is larger than the sum of its proper divisors (47147013).

141225531 is a wasteful number, since it uses less digits than its factorization.

141225531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17961.

The product of its digits is 1200, while the sum is 24.

The square root of 141225531 is about 11883.8348608519. The cubic root of 141225531 is about 520.7601444308.

Adding to 141225531 its reverse (135522141), we get a palindrome (276747672).

The spelling of 141225531 in words is "one hundred forty-one million, two hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 3 3187 9561 14771 44313 47075177 141225531