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69464441 = 190136541
BaseRepresentation
bin1000010001111…
…11000101111001
311211201011022002
410020333011321
5120240330231
610520510345
71502303144
oct410770571
9154634262
1069464441
1136235732
121b31b3b5
1311511b27
14932305b
1561720cb
hex423f179

69464441 has 4 divisors (see below), whose sum is σ = 69502884. Its totient is φ = 69426000.

The previous prime is 69464419. The next prime is 69464471. The reversal of 69464441 is 14446496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37258816 + 32205625 = 6104^2 + 5675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69464441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 69464395 and 69464404.

It is not an unprimeable number, because it can be changed into a prime (69464401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16370 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (17375721).

Almost surely, 269464441 is an apocalyptic number.

It is an amenable number.

69464441 is a deficient number, since it is larger than the sum of its proper divisors (38443).

69464441 is a wasteful number, since it uses less digits than its factorization.

69464441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38442.

The product of its digits is 82944, while the sum is 38.

The square root of 69464441 is about 8334.5330403089. The cubic root of 69464441 is about 411.0747945330.

The spelling of 69464441 in words is "sixty-nine million, four hundred sixty-four thousand, four hundred forty-one".

Divisors: 1 1901 36541 69464441