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69212341 = 1147133873
BaseRepresentation
bin1000010000000…
…01100010110101
311211020100111001
410020001202311
5120204243331
610511243301
71500203152
oct410014265
9154210431
1069212341
1136083290
121b219531
1311454163
149299229
156122561
hex42018b5

69212341 has 8 divisors (see below), whose sum is σ = 77111424. Its totient is φ = 61581120.

The previous prime is 69212323. The next prime is 69212347. The reversal of 69212341 is 14321296.

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 69212341 - 223 = 60823733 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69212347) 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, 66420 + ... + 67453.

It is an arithmetic number, because the mean of its divisors is an integer number (9638928).

Almost surely, 269212341 is an apocalyptic number.

It is an amenable number.

69212341 is a deficient number, since it is larger than the sum of its proper divisors (7899083).

69212341 is a wasteful number, since it uses less digits than its factorization.

69212341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133931.

The product of its digits is 2592, while the sum is 28.

The square root of 69212341 is about 8319.3954708260. The cubic root of 69212341 is about 410.5769015369.

The spelling of 69212341 in words is "sixty-nine million, two hundred twelve thousand, three hundred forty-one".

Divisors: 1 11 47 517 133873 1472603 6292031 69212341