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141831630 = 23254367547
BaseRepresentation
bin10000111010000…
…10110111001110
3100212212210102100
420131002313032
5242302103010
622023535530
73341356203
oct1035026716
9325783370
10141831630
1173073226
123b5ba5a6
13234cbc55
1414b9dcaa
15c6b92c0
hex8742dce

141831630 has 96 divisors (see below), whose sum is σ = 383670144. Its totient is φ = 36324288.

The previous prime is 141831617. The next prime is 141831653. The reversal of 141831630 is 36138141.

141831630 is a `hidden beast` number, since 14 + 18 + 3 + 1 + 630 = 666.

141831630 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1418316302 = 40232422536913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141831594 and 141831603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259017 + ... + 259563.

It is an arithmetic number, because the mean of its divisors is an integer number (3996564).

Almost surely, 2141831630 is an apocalyptic number.

141831630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 141831630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191835072).

141831630 is an abundant number, since it is smaller than the sum of its proper divisors (241838514).

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

141831630 is a wasteful number, since it uses less digits than its factorization.

141831630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 141831630 is about 11909.3085441599. The cubic root of 141831630 is about 521.5040650239.

Adding to 141831630 its reverse (36138141), we get a palindrome (177969771).

The spelling of 141831630 in words is "one hundred forty-one million, eight hundred thirty-one thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 43 45 67 86 90 129 134 201 215 258 335 387 402 430 547 603 645 670 774 1005 1094 1206 1290 1641 1935 2010 2735 2881 3015 3282 3870 4923 5470 5762 6030 8205 8643 9846 14405 16410 17286 23521 24615 25929 28810 36649 43215 47042 49230 51858 70563 73298 86430 109947 117605 129645 141126 183245 211689 219894 235210 259290 329841 352815 366490 423378 549735 659682 705630 1058445 1099470 1575907 1649205 2116890 3151814 3298410 4727721 7879535 9455442 14183163 15759070 23638605 28366326 47277210 70915815 141831630