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141381438 = 23112973867
BaseRepresentation
bin10000110110101…
…00111100111110
3100212000220212120
420123110330332
5242143201223
622010143410
73334502532
oct1033247476
9325026776
10141381438
1172895a70
123b421b66
13233a2073
1414ac3bc2
15c62abe3
hex86d4f3e

141381438 has 32 divisors (see below), whose sum is σ = 319109760. Its totient is φ = 41364960.

The previous prime is 141381389. The next prime is 141381479. The reversal of 141381438 is 834183141.

It is a super-2 number, since 2×1413814382 = 39977422021895688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 141381399 and 141381408.

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, 35020 + ... + 38847.

It is an arithmetic number, because the mean of its divisors is an integer number (9972180).

Almost surely, 2141381438 is an apocalyptic number.

141381438 is an abundant number, since it is smaller than the sum of its proper divisors (177728322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141381438 is a wasteful number, since it uses less digits than its factorization.

141381438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73912.

The product of its digits is 9216, while the sum is 33.

The square root of 141381438 is about 11890.3926764426. The cubic root of 141381438 is about 520.9517063312.

It can be divided in two parts, 14138 and 1438, that added together give a triangular number (15576 = T176).

The spelling of 141381438 in words is "one hundred forty-one million, three hundred eighty-one thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 73867 147734 221601 443202 812537 1625074 2142143 2437611 4284286 4875222 6426429 12852858 23563573 47127146 70690719 141381438