Search a number
-
+
242156250 = 23356741
BaseRepresentation
bin11100110111100…
…00001011011010
3121212122210221000
432123300023122
5443443000000
640010125430
76000202620
oct1633601332
9555583830
10242156250
11114766636
1269120876
133b22742b
1424237510
15163d5000
hexe6f02da

242156250 has 224 divisors, whose sum is σ = 787489920. Its totient is φ = 54000000.

The previous prime is 242156249. The next prime is 242156261. The reversal of 242156250 is 52651242.

242156250 is a `hidden beast` number, since 24 + 2 + 15 + 625 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5906230 + ... + 5906270.

It is an arithmetic number, because the mean of its divisors is an integer number (3515580).

Almost surely, 2242156250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242156250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393744960).

242156250 is an abundant number, since it is smaller than the sum of its proper divisors (545333670).

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

242156250 is an frugal number, since it uses more digits than its factorization.

242156250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 242156250 is about 15561.3704409348. The cubic root of 242156250 is about 623.3020580328.

The spelling of 242156250 in words is "two hundred forty-two million, one hundred fifty-six thousand, two hundred fifty".