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69472135 = 553317827
BaseRepresentation
bin1000010010000…
…00111110000111
311211201112212001
410021000332013
5120241102020
610521010131
71502334445
oct411007607
9154645761
1069472135
1136240497
121b323947
1311515495
149325b95
15617450a
hex4240f87

69472135 has 16 divisors (see below), whose sum is σ = 85310496. Its totient is φ = 54291328.

The previous prime is 69472127. The next prime is 69472141. The reversal of 69472135 is 53127496.

It is a cyclic number.

It is not a de Polignac number, because 69472135 - 23 = 69472127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69472094 and 69472103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83592 + ... + 84418.

It is an arithmetic number, because the mean of its divisors is an integer number (5331906).

Almost surely, 269472135 is an apocalyptic number.

69472135 is a deficient number, since it is larger than the sum of its proper divisors (15838361).

69472135 is a wasteful number, since it uses less digits than its factorization.

69472135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 45360, while the sum is 37.

The square root of 69472135 is about 8334.9946010780. The cubic root of 69472135 is about 411.0899710878.

The spelling of 69472135 in words is "sixty-nine million, four hundred seventy-two thousand, one hundred thirty-five".

Divisors: 1 5 53 265 317 827 1585 4135 16801 43831 84005 219155 262159 1310795 13894427 69472135