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141367621 = 997141793
BaseRepresentation
bin10000110110100…
…01100101000101
3100212000012220211
420123101211011
5242142230441
622005555421
73334414333
oct1033214505
9325005824
10141367621
117288664a
123b415b71
13233989a5
1414abcb53
15c626a81
hex86d1945

141367621 has 4 divisors (see below), whose sum is σ = 141510412. Its totient is φ = 141224832.

The previous prime is 141367613. The next prime is 141367643. The reversal of 141367621 is 126763141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126763141 = 151839491.

It can be written as a sum of positive squares in 2 ways, for example, as 89094721 + 52272900 = 9439^2 + 7230^2 .

It is a cyclic number.

It is not a de Polignac number, because 141367621 - 23 = 141367613 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 (141367601) 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, 69900 + ... + 71893.

It is an arithmetic number, because the mean of its divisors is an integer number (35377603).

Almost surely, 2141367621 is an apocalyptic number.

It is an amenable number.

141367621 is a deficient number, since it is larger than the sum of its proper divisors (142791).

141367621 is an equidigital number, since it uses as much as digits as its factorization.

141367621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142790.

The product of its digits is 6048, while the sum is 31.

The square root of 141367621 is about 11889.8116469522. The cubic root of 141367621 is about 520.9347351637.

The spelling of 141367621 in words is "one hundred forty-one million, three hundred sixty-seven thousand, six hundred twenty-one".

Divisors: 1 997 141793 141367621