Search a number
-
+
245858994 = 232100913537
BaseRepresentation
bin11101010011110…
…00001010110010
3122010121221010200
432221320022302
51000414441434
640221340030
76043524033
oct1651701262
9563557120
10245858994
11116865557
126a407616
133bc228c4
142491ca8a
15168b7199
hexea782b2

245858994 has 24 divisors (see below), whose sum is σ = 533261820. Its totient is φ = 81865728.

The previous prime is 245858989. The next prime is 245858999. The reversal of 245858994 is 499858542.

It is a happy number.

245858994 is a `hidden beast` number, since 2 + 4 + 58 + 589 + 9 + 4 = 666.

245858994 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245858989) and next prime (245858999).

It can be written as a sum of positive squares in 2 ways, for example, as 234549225 + 11309769 = 15315^2 + 3363^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245858994.

It is not an unprimeable number, because it can be changed into a prime (245858999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11394 + ... + 24930.

Almost surely, 2245858994 is an apocalyptic number.

245858994 is an abundant number, since it is smaller than the sum of its proper divisors (287402826).

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

245858994 is a wasteful number, since it uses less digits than its factorization.

245858994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14554 (or 14551 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 245858994 is about 15679.8913899300. The cubic root of 245858994 is about 626.4629146840.

The spelling of 245858994 in words is "two hundred forty-five million, eight hundred fifty-eight thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 1009 2018 3027 6054 9081 13537 18162 27074 40611 81222 121833 243666 13658833 27317666 40976499 81952998 122929497 245858994