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82653023 = 531559491
BaseRepresentation
bin1001110110100…
…10111101011111
312202112012122002
410323102331133
5132124344043
612111312515
72022352625
oct473227537
9182465562
1082653023
1142723492
122381b73b
131417bb1b
14ad97515
1573c9bb8
hex4ed2f5f

82653023 has 4 divisors (see below), whose sum is σ = 84212568. Its totient is φ = 81093480.

The previous prime is 82653019. The next prime is 82653029. The reversal of 82653023 is 32035628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82653023 - 22 = 82653019 is a prime.

It is a super-2 number, since 2×826530232 = 13663044422077058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82653029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779693 + ... + 779798.

It is an arithmetic number, because the mean of its divisors is an integer number (21053142).

Almost surely, 282653023 is an apocalyptic number.

82653023 is a deficient number, since it is larger than the sum of its proper divisors (1559545).

82653023 is a wasteful number, since it uses less digits than its factorization.

82653023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559544.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 82653023 is about 9091.3707987300. The cubic root of 82653023 is about 435.5983714846.

The spelling of 82653023 in words is "eighty-two million, six hundred fifty-three thousand, twenty-three".

Divisors: 1 53 1559491 82653023