Search a number
-
+
1223069025 = 35226960623
BaseRepresentation
bin100100011100110…
…1000110101100001
310011020102100021210
41020321220311201
510001101202100
6321210340333
742210625623
oct11071506541
93136370253
101223069025
11578432952
122a172a6a9
131665107a9
14b8616c13
1572595c50
hex48e68d61

1223069025 has 24 divisors (see below), whose sum is σ = 2029691520. Its totient is φ = 649867840.

The previous prime is 1223069017. The next prime is 1223069039. The reversal of 1223069025 is 5209603221.

It is not a de Polignac number, because 1223069025 - 23 = 1223069017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223068983 and 1223069001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10137 + ... + 50486.

It is an arithmetic number, because the mean of its divisors is an integer number (84570480).

Almost surely, 21223069025 is an apocalyptic number.

1223069025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223069025 is a deficient number, since it is larger than the sum of its proper divisors (806622495).

1223069025 is a wasteful number, since it uses less digits than its factorization.

1223069025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60905 (or 60900 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1223069025 is about 34972.4037635390. The cubic root of 1223069025 is about 1069.4249756293.

The spelling of 1223069025 in words is "one billion, two hundred twenty-three million, sixty-nine thousand, twenty-five".

Divisors: 1 3 5 15 25 75 269 807 1345 4035 6725 20175 60623 181869 303115 909345 1515575 4546725 16307587 48922761 81537935 244613805 407689675 1223069025