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242876416 = 21717109
BaseRepresentation
bin11100111101000…
…00000000000000
3121221000101210211
432132200000000
5444134021131
640033403504
76006262336
oct1636400000
9557011724
10242876416
11115108712
1269409594
133b41a173
1424383b56
15164c85b1
hexe7a0000

242876416 has 72 divisors (see below), whose sum is σ = 519043140. Its totient is φ = 113246208.

The previous prime is 242876377. The next prime is 242876423. The reversal of 242876416 is 614678242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 228130816 + 14745600 = 15104^2 + 3840^2 .

Its product of digits (129024) is a multiple of the sum of its prime divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228170 + ... + 2228278.

Almost surely, 2242876416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242876416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259521570).

242876416 is an abundant number, since it is smaller than the sum of its proper divisors (276166724).

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

242876416 is an frugal number, since it uses more digits than its factorization.

242876416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 128 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 242876416 is about 15584.4928053498. The cubic root of 242876416 is about 623.9193408783.

It can be divided in two parts, 24287 and 6416, that added together give a palindrome (30703).

The spelling of 242876416 in words is "two hundred forty-two million, eight hundred seventy-six thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 17 32 34 64 68 109 128 136 218 256 272 436 512 544 872 1024 1088 1744 1853 2048 2176 3488 3706 4096 4352 6976 7412 8192 8704 13952 14824 16384 17408 27904 29648 32768 34816 55808 59296 65536 69632 111616 118592 131072 139264 223232 237184 278528 446464 474368 557056 892928 948736 1114112 1785856 1897472 2228224 3571712 3794944 7143424 7589888 14286848 15179776 30359552 60719104 121438208 242876416