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69082135 = 517812731
BaseRepresentation
bin1000001111000…
…01110000010111
311210222201212121
410013201300113
5120141112020
610504400411
71466121433
oct407416027
9153881777
1069082135
1135aa4481
121b176107
1311409b05
1492639c3
1560e8baa
hex41e1c17

69082135 has 8 divisors (see below), whose sum is σ = 87775056. Its totient is φ = 52014720.

The previous prime is 69082127. The next prime is 69082141. The reversal of 69082135 is 53128096.

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

It is not a de Polignac number, because 69082135 - 23 = 69082127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69082135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406281 + ... + 406450.

It is an arithmetic number, because the mean of its divisors is an integer number (10971882).

Almost surely, 269082135 is an apocalyptic number.

69082135 is a deficient number, since it is larger than the sum of its proper divisors (18692921).

69082135 is a wasteful number, since it uses less digits than its factorization.

69082135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812753.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 69082135 is about 8311.5663385429. The cubic root of 69082135 is about 410.3192734221.

The spelling of 69082135 in words is "sixty-nine million, eighty-two thousand, one hundred thirty-five".

Divisors: 1 5 17 85 812731 4063655 13816427 69082135