Search a number
-
+
69080493 = 331742801
BaseRepresentation
bin1000001111000…
…01010110101101
311210222122121210
410013201112231
5120141033433
610504345033
71466113566
oct407412655
9153878553
1069080493
1135aa3219
121b175179
1311409141
14926316d
1560e8463
hex41e15ad

69080493 has 8 divisors (see below), whose sum is σ = 95078656. Its totient is φ = 44568000.

The previous prime is 69080483. The next prime is 69080513. The reversal of 69080493 is 39408096.

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

It is not a de Polignac number, because 69080493 - 25 = 69080461 is a prime.

It is a super-2 number, since 2×690804932 = 9544229026246098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69080483) 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, 371308 + ... + 371493.

It is an arithmetic number, because the mean of its divisors is an integer number (11884832).

Almost surely, 269080493 is an apocalyptic number.

It is an amenable number.

69080493 is a deficient number, since it is larger than the sum of its proper divisors (25998163).

69080493 is a wasteful number, since it uses less digits than its factorization.

69080493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742835.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 69080493 is about 8311.4675599439. The cubic root of 69080493 is about 410.3160224630.

The spelling of 69080493 in words is "sixty-nine million, eighty thousand, four hundred ninety-three".

Divisors: 1 3 31 93 742801 2228403 23026831 69080493