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146949383 = 729413187
BaseRepresentation
bin10001100001001…
…00010100000111
3101020111210122202
420300210110013
5300104340013
622325345115
73433022600
oct1060442407
9336453582
10146949383
1175a49279
124126819b
13245a14c9
1415732da7
15cd7a858
hex8c24507

146949383 has 12 divisors (see below), whose sum is σ = 171176472. Its totient is φ = 125783280.

The previous prime is 146949367. The next prime is 146949391. The reversal of 146949383 is 383949641.

It is a happy number.

It is not a de Polignac number, because 146949383 - 24 = 146949367 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146349383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44516 + ... + 47702.

It is an arithmetic number, because the mean of its divisors is an integer number (14264706).

Almost surely, 2146949383 is an apocalyptic number.

146949383 is a deficient number, since it is larger than the sum of its proper divisors (24227089).

146949383 is an equidigital number, since it uses as much as digits as its factorization.

146949383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4135 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 146949383 is about 12122.2680633617. The cubic root of 146949383 is about 527.7026263481.

The spelling of 146949383 in words is "one hundred forty-six million, nine hundred forty-nine thousand, three hundred eighty-three".

Divisors: 1 7 49 941 3187 6587 22309 46109 156163 2998967 20992769 146949383