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141684538 = 270842269
BaseRepresentation
bin10000111000111…
…10111100111010
3100212121022122111
420130132330322
5242232401123
622020442534
73340204312
oct1034367472
9325538574
10141684538
1172a82766
123b54944a
132347a008
1414b62442
15c68a90d
hex871ef3a

141684538 has 4 divisors (see below), whose sum is σ = 212526810. Its totient is φ = 70842268.

The previous prime is 141684523. The next prime is 141684541. The reversal of 141684538 is 835486141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835486141 = 7119355163.

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 54952569 = 9313^2 + 7413^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 141684538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35421133 + ... + 35421136.

Almost surely, 2141684538 is an apocalyptic number.

141684538 is a deficient number, since it is larger than the sum of its proper divisors (70842272).

141684538 is an equidigital number, since it uses as much as digits as its factorization.

141684538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70842271.

The product of its digits is 92160, while the sum is 40.

The square root of 141684538 is about 11903.1314367271. The cubic root of 141684538 is about 521.3237206506.

The spelling of 141684538 in words is "one hundred forty-one million, six hundred eighty-four thousand, five hundred thirty-eight".

Divisors: 1 2 70842269 141684538