Search a number
-
+
6945426 = 23531461
BaseRepresentation
bin11010011111101010010010
3111001212100000
4122133222102
53234223201
6404510430
7113015025
oct32375222
914055300
106945426
113a14224
1223ab416
131592427
14ccb1bc
15922d86
hex69fa92

6945426 has 48 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 2235600.

The previous prime is 6945397. The next prime is 6945437. The reversal of 6945426 is 6245496.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14836 + ... + 15296.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

Almost surely, 26945426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6945426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072064).

6945426 is an abundant number, since it is smaller than the sum of its proper divisors (9198702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945426 is a wasteful number, since it uses less digits than its factorization.

6945426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 497 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6945426 is about 2635.4176139656. The cubic root of 6945426 is about 190.7946954737.

The spelling of 6945426 in words is "six million, nine hundred forty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 162 186 243 279 461 486 558 837 922 1383 1674 2511 2766 4149 5022 7533 8298 12447 14291 15066 24894 28582 37341 42873 74682 85746 112023 128619 224046 257238 385857 771714 1157571 2315142 3472713 6945426