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239403141 = 3341216263
BaseRepresentation
bin11100100010100…
…00000010000101
3121200110221101000
432101100002011
5442241400031
635431123513
75634615225
oct1621200205
9550427330
10239403141
1111315613a
1268213599
133a7a2283
1423b1c085
151603e3e6
hexe450085

239403141 has 16 divisors (see below), whose sum is σ = 363323520. Its totient is φ = 155708640.

The previous prime is 239403139. The next prime is 239403161. The reversal of 239403141 is 141304932.

It is not a de Polignac number, because 239403141 - 21 = 239403139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239403121) 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, 107025 + ... + 109238.

It is an arithmetic number, because the mean of its divisors is an integer number (22707720).

Almost surely, 2239403141 is an apocalyptic number.

It is an amenable number.

239403141 is a deficient number, since it is larger than the sum of its proper divisors (123920379).

239403141 is a wasteful number, since it uses less digits than its factorization.

239403141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216313 (or 216307 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 239403141 is about 15472.6578518366. The cubic root of 239403141 is about 620.9309125223.

The spelling of 239403141 in words is "two hundred thirty-nine million, four hundred three thousand, one hundred forty-one".

Divisors: 1 3 9 27 41 123 369 1107 216263 648789 1946367 5839101 8866783 26600349 79801047 239403141