Search a number
-
+
141938405 = 5723176321
BaseRepresentation
bin10000111010111…
…00111011100101
3100220002012212222
420131130323211
5242314012110
622030122125
73342312410
oct1035347345
9326065788
10141938405
1173136474
123b650345
132353872b
1414bcab77
15c6dac55
hex875cee5

141938405 has 16 divisors (see below), whose sum is σ = 203122944. Its totient is φ = 93096960.

The previous prime is 141938393. The next prime is 141938413. The reversal of 141938405 is 504839141.

It is not a de Polignac number, because 141938405 - 210 = 141937381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87356 + ... + 88965.

It is an arithmetic number, because the mean of its divisors is an integer number (12695184).

Almost surely, 2141938405 is an apocalyptic number.

It is an amenable number.

141938405 is a deficient number, since it is larger than the sum of its proper divisors (61184539).

141938405 is a wasteful number, since it uses less digits than its factorization.

141938405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176356.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 141938405 is about 11913.7905386993. The cubic root of 141938405 is about 521.6349000358.

The spelling of 141938405 in words is "one hundred forty-one million, nine hundred thirty-eight thousand, four hundred five".

Divisors: 1 5 7 23 35 115 161 805 176321 881605 1234247 4055383 6171235 20276915 28387681 141938405