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503688141 = 321137137507
BaseRepresentation
bin11110000001011…
…010101111001101
31022002210000020100
4132001122233031
52012421010031
6121551441313
715324164355
oct3601325715
91262700210
10503688141
112393563a0
12120826239
1380476a28
144ac75b65
152e345de6
hex1e05abcd

503688141 has 24 divisors (see below), whose sum is σ = 815147424. Its totient is φ = 297012960.

The previous prime is 503688103. The next prime is 503688151. The reversal of 503688141 is 141886305.

503688141 is a `hidden beast` number, since 503 + 6 + 8 + 8 + 141 = 666.

It is not a de Polignac number, because 503688141 - 26 = 503688077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 503688096 and 503688105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503688151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65091 + ... + 72416.

It is an arithmetic number, because the mean of its divisors is an integer number (33964476).

Almost surely, 2503688141 is an apocalyptic number.

It is an amenable number.

503688141 is a deficient number, since it is larger than the sum of its proper divisors (311459283).

503688141 is a wasteful number, since it uses less digits than its factorization.

503688141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137561 (or 137558 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 503688141 is about 22442.9975939044. The cubic root of 503688141 is about 795.6472668658.

The spelling of 503688141 in words is "five hundred three million, six hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 3 9 11 33 37 99 111 333 407 1221 3663 137507 412521 1237563 1512577 4537731 5087759 13613193 15263277 45789831 55965349 167896047 503688141