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72050727 = 3723197163
BaseRepresentation
bin1000100101101…
…10100000100111
312000120120000110
410102312200213
5121421110402
611052144103
71533264300
oct422664047
9160516013
1072050727
1137741861
1220168033
1311c09088
1497d77a7
1564d356c
hex44b6827

72050727 has 48 divisors (see below), whose sum is σ = 117261312. Its totient is φ = 39191040.

The previous prime is 72050711. The next prime is 72050753. The reversal of 72050727 is 72705027.

It is not a de Polignac number, because 72050727 - 24 = 72050711 is a prime.

It is a super-2 number, since 2×720507272 = 10382614522457058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72050694 and 72050703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441948 + ... + 442110.

It is an arithmetic number, because the mean of its divisors is an integer number (2442944).

Almost surely, 272050727 is an apocalyptic number.

72050727 is a deficient number, since it is larger than the sum of its proper divisors (45210585).

72050727 is a wasteful number, since it uses less digits than its factorization.

72050727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 72050727 is about 8488.2699650753. The cubic root of 72050727 is about 416.1144420563.

The spelling of 72050727 in words is "seventy-two million, fifty thousand, seven hundred twenty-seven".

Divisors: 1 3 7 21 31 49 93 97 147 163 217 291 489 651 679 1141 1519 2037 3007 3423 4557 4753 5053 7987 9021 14259 15159 15811 21049 23961 35371 47433 63147 106113 110677 147343 247597 332031 442029 490141 742791 774739 1470423 2324217 3430987 10292961 24016909 72050727