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141248381 = 382336947
BaseRepresentation
bin10000110101101…
…00011101111101
3100211210011100112
420122310131331
5242124422011
622003235405
73333406601
oct1032643575
9324704315
10141248381
1172804aaa
123b378b65
1323356631
1414a8b501
15c60158b
hex86b477d

141248381 has 4 divisors (see below), whose sum is σ = 141289152. Its totient is φ = 141207612.

The previous prime is 141248333. The next prime is 141248383. The reversal of 141248381 is 183842141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183842141 = 726263163.

It is a cyclic number.

It is not a de Polignac number, because 141248381 - 222 = 137054077 is a prime.

It is a super-2 number, since 2×1412483812 = 39902210270242322, which contains 22 as substring.

It is a deceptive number, since it divides R141248380.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141248383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14651 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (35322288).

Almost surely, 2141248381 is an apocalyptic number.

It is an amenable number.

141248381 is a deficient number, since it is larger than the sum of its proper divisors (40771).

141248381 is an equidigital number, since it uses as much as digits as its factorization.

141248381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40770.

The product of its digits is 6144, while the sum is 32.

The square root of 141248381 is about 11884.7962119676. The cubic root of 141248381 is about 520.7882288891.

The spelling of 141248381 in words is "one hundred forty-one million, two hundred forty-eight thousand, three hundred eighty-one".

Divisors: 1 3823 36947 141248381