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141723701 = 720246243
BaseRepresentation
bin10000111001010…
…00100000110101
3100212200022100222
420130220200311
5242240124301
622021344125
73340426430
oct1034504065
9325608328
10141723701
1172aaa129
123b568045
1323491aa2
1414b72817
15c69731b
hex8728835

141723701 has 4 divisors (see below), whose sum is σ = 161969952. Its totient is φ = 121477452.

The previous prime is 141723697. The next prime is 141723737. The reversal of 141723701 is 107327141.

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: 107327141 = 421925439.

It is a cyclic number.

It is not a de Polignac number, because 141723701 - 22 = 141723697 is a prime.

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 (141720701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10123115 + ... + 10123128.

It is an arithmetic number, because the mean of its divisors is an integer number (40492488).

Almost surely, 2141723701 is an apocalyptic number.

It is an amenable number.

141723701 is a deficient number, since it is larger than the sum of its proper divisors (20246251).

141723701 is an equidigital number, since it uses as much as digits as its factorization.

141723701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20246250.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 141723701 is about 11904.7763943721. The cubic root of 141723701 is about 521.3717492272.

The spelling of 141723701 in words is "one hundred forty-one million, seven hundred twenty-three thousand, seven hundred one".

Divisors: 1 7 20246243 141723701