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242897732 = 22711898861
BaseRepresentation
bin11100111101001…
…01001101000100
3121221001111001022
432132211031010
5444140211412
640034050312
76006411440
oct1636451504
9557044038
10242897732
11115122730
1269419998
133b426a8c
142438b820
15164cea72
hexe7a5344

242897732 has 48 divisors (see below), whose sum is σ = 535973760. Its totient is φ = 93561600.

The previous prime is 242897723. The next prime is 242897737. The reversal of 242897732 is 237798242.

It is a happy number.

242897732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (242897737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22982 + ... + 31842.

It is an arithmetic number, because the mean of its divisors is an integer number (11166120).

Almost surely, 2242897732 is an apocalyptic number.

242897732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242897732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267986880).

242897732 is an abundant number, since it is smaller than the sum of its proper divisors (293076028).

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

242897732 is a wasteful number, since it uses less digits than its factorization.

242897732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972 (or 8970 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 242897732 is about 15585.1766752899. The cubic root of 242897732 is about 623.9375930630.

The spelling of 242897732 in words is "two hundred forty-two million, eight hundred ninety-seven thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 89 154 178 308 356 623 979 1246 1958 2492 3916 6853 8861 13706 17722 27412 35444 62027 97471 124054 194942 248108 389884 682297 788629 1364594 1577258 2729188 3154516 5520403 8674919 11040806 17349838 22081612 34699676 60724433 121448866 242897732