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142610403 = 31343277307
BaseRepresentation
bin10001000000000…
…00111111100011
3100221100100200210
420200000333203
5243002013103
622052345203
73351111525
oct1040007743
9327310623
10142610403
1173555341
123b915203
1323712570
1414d23a15
15c7bee03
hex8800fe3

142610403 has 32 divisors (see below), whose sum is σ = 210977536. Its totient is φ = 85131648.

The previous prime is 142610393. The next prime is 142610411. The reversal of 142610403 is 304016241.

It is not a de Polignac number, because 142610403 - 26 = 142610339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142610403.

It is not an unprimeable number, because it can be changed into a prime (142610453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464376 + ... + 464682.

It is an arithmetic number, because the mean of its divisors is an integer number (6593048).

Almost surely, 2142610403 is an apocalyptic number.

142610403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142610403 is a deficient number, since it is larger than the sum of its proper divisors (68367133).

142610403 is a wasteful number, since it uses less digits than its factorization.

142610403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 142610403 is about 11941.9597637909. The cubic root of 142610403 is about 522.4568196118.

Adding to 142610403 its reverse (304016241), we get a palindrome (446626644).

The spelling of 142610403 in words is "one hundred forty-two million, six hundred ten thousand, four hundred three".

Divisors: 1 3 13 39 43 129 277 307 559 831 921 1677 3601 3991 10803 11911 11973 13201 35733 39603 85039 154843 171613 255117 464529 514839 1105507 3316521 3656677 10970031 47536801 142610403