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69540229 = 1123512689
BaseRepresentation
bin1000010010100…
…01100110000101
311211212000021001
410021101212011
5120300241404
610522253301
71503040123
oct411214605
9154760231
1069540229
1136287670
121b357231
131153a485
149342913
1561897a4
hex4251985

69540229 has 8 divisors (see below), whose sum is σ = 75922560. Its totient is φ = 63168000.

The previous prime is 69540227. The next prime is 69540259. The reversal of 69540229 is 92204596.

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

It is a cyclic number.

It is not a de Polignac number, because 69540229 - 21 = 69540227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69540221) 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, 24517 + ... + 27205.

It is an arithmetic number, because the mean of its divisors is an integer number (9490320).

Almost surely, 269540229 is an apocalyptic number.

It is an amenable number.

69540229 is a deficient number, since it is larger than the sum of its proper divisors (6382331).

69540229 is a wasteful number, since it uses less digits than its factorization.

69540229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 69540229 is about 8339.0784263011. The cubic root of 69540229 is about 411.2242389237.

The spelling of 69540229 in words is "sixty-nine million, five hundred forty thousand, two hundred twenty-nine".

Divisors: 1 11 2351 2689 25861 29579 6321839 69540229