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69743641 = 1155711383
BaseRepresentation
bin1000010100000…
…11010000011001
311212020100021211
410022003100121
5120323244031
610530503121
71504545142
oct412032031
9155210254
1069743641
1136406480
121b434aa1
13115abc36
149396ac9
1561c9bb1
hex4283419

69743641 has 8 divisors (see below), whose sum is σ = 76227264. Its totient is φ = 63283920.

The previous prime is 69743617. The next prime is 69743647. The reversal of 69743641 is 14634796.

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 69743641 - 215 = 69710873 is a prime.

It is a super-3 number, since 3×697436413 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69743594 and 69743603.

It is not an unprimeable number, because it can be changed into a prime (69743647) 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, 436 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (9528408).

Almost surely, 269743641 is an apocalyptic number.

It is an amenable number.

69743641 is a deficient number, since it is larger than the sum of its proper divisors (6483623).

69743641 is a wasteful number, since it uses less digits than its factorization.

69743641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its digits is 108864, while the sum is 40.

The square root of 69743641 is about 8351.2658321957. The cubic root of 69743641 is about 411.6248057077.

The spelling of 69743641 in words is "sixty-nine million, seven hundred forty-three thousand, six hundred forty-one".

Divisors: 1 11 557 6127 11383 125213 6340331 69743641