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69072369 = 3167137869
BaseRepresentation
bin1000001110111…
…11010111110001
311210222020110220
410013133113301
5120140303434
610504243253
71466051112
oct407372761
9153866426
1069072369
1135a98103
121b170529
1311405532
149260209
1560e5d49
hex41df5f1

69072369 has 8 divisors (see below), whose sum is σ = 92648640. Its totient is φ = 45772176.

The previous prime is 69072347. The next prime is 69072389. The reversal of 69072369 is 96327096.

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

It is not a de Polignac number, because 69072369 - 211 = 69070321 is a prime.

It is a super-2 number, since 2×690723692 = 9541984318544322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 69072369.

It is not an unprimeable number, because it can be changed into a prime (69072389) 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, 68434 + ... + 69435.

It is an arithmetic number, because the mean of its divisors is an integer number (11581080).

Almost surely, 269072369 is an apocalyptic number.

It is an amenable number.

69072369 is a deficient number, since it is larger than the sum of its proper divisors (23576271).

69072369 is a wasteful number, since it uses less digits than its factorization.

69072369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138039.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 69072369 is about 8310.9788232193. The cubic root of 69072369 is about 410.2999371790.

The spelling of 69072369 in words is "sixty-nine million, seventy-two thousand, three hundred sixty-nine".

Divisors: 1 3 167 501 137869 413607 23024123 69072369