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69393741 = 331174377
BaseRepresentation
bin1000010001011…
…01110101001101
311211120120022120
410020231311031
5120231044431
610515203153
71501560054
oct410556515
9154516276
1069393741
11361975aa
121b2a64b9
13114b88b1
14930539b
15615b196
hex422dd4d

69393741 has 8 divisors (see below), whose sum is σ = 92823744. Its totient is φ = 46113120.

The previous prime is 69393739. The next prime is 69393769. The reversal of 69393741 is 14739396.

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

It is not a de Polignac number, because 69393741 - 21 = 69393739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69393693 and 69393702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69393721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36256 + ... + 38121.

It is an arithmetic number, because the mean of its divisors is an integer number (11602968).

Almost surely, 269393741 is an apocalyptic number.

It is an amenable number.

69393741 is a deficient number, since it is larger than the sum of its proper divisors (23430003).

69393741 is a wasteful number, since it uses less digits than its factorization.

69393741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74691.

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

The square root of 69393741 is about 8330.2905711626. The cubic root of 69393741 is about 410.9352850078.

The spelling of 69393741 in words is "sixty-nine million, three hundred ninety-three thousand, seven hundred forty-one".

Divisors: 1 3 311 933 74377 223131 23131247 69393741