Search a number
-
+
141660397 = 473014051
BaseRepresentation
bin10000111000110…
…01000011101101
3100212120002112101
420130121003231
5242231113042
622020135101
73340044034
oct1034310355
9325502471
10141660397
1172a6660a
123b537491
132346c028
1414b5771b
15c6836b7
hex87190ed

141660397 has 4 divisors (see below), whose sum is σ = 144674496. Its totient is φ = 138646300.

The previous prime is 141660367. The next prime is 141660401. The reversal of 141660397 is 793066141.

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.

It is a cyclic number.

It is not a de Polignac number, because 141660397 - 219 = 141136109 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 (141660317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506979 + ... + 1507072.

It is an arithmetic number, because the mean of its divisors is an integer number (36168624).

Almost surely, 2141660397 is an apocalyptic number.

It is an amenable number.

141660397 is a deficient number, since it is larger than the sum of its proper divisors (3014099).

141660397 is an equidigital number, since it uses as much as digits as its factorization.

141660397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014098.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 141660397 is about 11902.1173326430. The cubic root of 141660397 is about 521.2941102900.

The spelling of 141660397 in words is "one hundred forty-one million, six hundred sixty thousand, three hundred ninety-seven".

Divisors: 1 47 3014051 141660397