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69995227 = 107654161
BaseRepresentation
bin1000010110000…
…00101011011011
311212201010101211
410023000223123
5120404321402
610540123551
71506643501
oct413005333
9155633354
1069995227
11365684a5
121b5365b7
13116695c3
149420671
1562294d7
hex42c0adb

69995227 has 4 divisors (see below), whose sum is σ = 70649496. Its totient is φ = 69340960.

The previous prime is 69995203. The next prime is 69995249. The reversal of 69995227 is 72259996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69995227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69995927) 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, 326974 + ... + 327187.

It is an arithmetic number, because the mean of its divisors is an integer number (17662374).

Almost surely, 269995227 is an apocalyptic number.

69995227 is a deficient number, since it is larger than the sum of its proper divisors (654269).

69995227 is a wasteful number, since it uses less digits than its factorization.

69995227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654268.

The product of its digits is 612360, while the sum is 49.

The square root of 69995227 is about 8366.3150191706. The cubic root of 69995227 is about 412.1191626752.

The spelling of 69995227 in words is "sixty-nine million, nine hundred ninety-five thousand, two hundred twenty-seven".

Divisors: 1 107 654161 69995227