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82619801 = 1115149741
BaseRepresentation
bin1001110110010…
…10110110011001
312202110112001122
410323022312121
5132122313201
612110455025
72022154025
oct473126631
9182415048
1082619801
1142700530
1223804475
1314169974
14ad89385
1573bee1b
hex4ecad99

82619801 has 8 divisors (see below), whose sum is σ = 90729408. Its totient is φ = 74610000.

The previous prime is 82619791. The next prime is 82619821. The reversal of 82619801 is 10891628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82619801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82619821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23210 + ... + 26531.

It is an arithmetic number, because the mean of its divisors is an integer number (11341176).

Almost surely, 282619801 is an apocalyptic number.

It is an amenable number.

82619801 is a deficient number, since it is larger than the sum of its proper divisors (8109607).

82619801 is a wasteful number, since it uses less digits than its factorization.

82619801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49903.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 82619801 is about 9089.5434978881. The cubic root of 82619801 is about 435.5400014137.

The spelling of 82619801 in words is "eighty-two million, six hundred nineteen thousand, eight hundred one".

Divisors: 1 11 151 1661 49741 547151 7510891 82619801