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69150055 = 5131063847
BaseRepresentation
bin1000001111100…
…10010101100111
311211010012001011
410013302111213
5120200300210
610510043051
71466523442
oct407622547
9154105034
1069150055
1136040507
121b1a9487
13114319c0
149280659
15610dd8a
hex41f2567

69150055 has 8 divisors (see below), whose sum is σ = 89363232. Its totient is φ = 51064608.

The previous prime is 69150023. The next prime is 69150061. The reversal of 69150055 is 55005196.

It is a happy number.

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 69150055 - 25 = 69150023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69149999 and 69150026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531859 + ... + 531988.

It is an arithmetic number, because the mean of its divisors is an integer number (11170404).

Almost surely, 269150055 is an apocalyptic number.

69150055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

69150055 is a deficient number, since it is larger than the sum of its proper divisors (20213177).

69150055 is a wasteful number, since it uses less digits than its factorization.

69150055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063865.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 69150055 is about 8315.6512072116. The cubic root of 69150055 is about 410.4537016004.

The spelling of 69150055 in words is "sixty-nine million, one hundred fifty thousand, fifty-five".

Divisors: 1 5 13 65 1063847 5319235 13830011 69150055