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141401785 = 5720032017
BaseRepresentation
bin10000110110110…
…01111010111001
3100212001221210011
420123121322321
5242144324120
622010421521
73334616050
oct1033317271
9325057704
10141401785
11728aa288
123b4318a1
13233ab3c5
1414acb397
15c631c5a
hex86d9eb9

141401785 has 16 divisors (see below), whose sum is σ = 194115456. Its totient is φ = 96864768.

The previous prime is 141401783. The next prime is 141401789. The reversal of 141401785 is 587104141.

It is not a de Polignac number, because 141401785 - 21 = 141401783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141401783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69097 + ... + 71113.

It is an arithmetic number, because the mean of its divisors is an integer number (12132216).

Almost surely, 2141401785 is an apocalyptic number.

It is an amenable number.

141401785 is a deficient number, since it is larger than the sum of its proper divisors (52713671).

141401785 is a wasteful number, since it uses less digits than its factorization.

141401785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 141401785 is about 11891.2482523913. The cubic root of 141401785 is about 520.9766961650.

The spelling of 141401785 in words is "one hundred forty-one million, four hundred one thousand, seven hundred eighty-five".

Divisors: 1 5 7 35 2003 2017 10015 10085 14021 14119 70105 70595 4040051 20200255 28280357 141401785