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142657503 = 3531814957
BaseRepresentation
bin10001000000011…
…00011111011111
3100221102202022020
420200030133133
5243010020003
622053351223
73351366042
oct1040143737
9327382266
10142657503
117358776a
123b938513
132372ab31
1414d36c59
15c7cdd53
hex880c7df

142657503 has 16 divisors (see below), whose sum is σ = 194908896. Its totient is φ = 92776320.

The previous prime is 142657483. The next prime is 142657513. The reversal of 142657503 is 305756241.

142657503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142657503 - 26 = 142657439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142657513) 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, 26301 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (12181806).

Almost surely, 2142657503 is an apocalyptic number.

142657503 is a deficient number, since it is larger than the sum of its proper divisors (52251393).

142657503 is a wasteful number, since it uses less digits than its factorization.

142657503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 142657503 is about 11943.9316391212. The cubic root of 142657503 is about 522.5143306281.

The spelling of 142657503 in words is "one hundred forty-two million, six hundred fifty-seven thousand, five hundred three".

Divisors: 1 3 53 159 181 543 4957 9593 14871 28779 262721 788163 897217 2691651 47552501 142657503