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242734560 = 25351573221
BaseRepresentation
bin11100111011111…
…01010111100000
3121220202012012220
432131331113200
5444120001220
640030351040
76005131635
oct1635752740
9556665186
10242734560
11115021082
126935b480
133b39a723
142434818c
151649b540
hexe77d5e0

242734560 has 96 divisors (see below), whose sum is σ = 769722912. Its totient is φ = 64296960.

The previous prime is 242734493. The next prime is 242734589. The reversal of 242734560 is 65437242.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73750 + ... + 76970.

It is an arithmetic number, because the mean of its divisors is an integer number (8017947).

Almost surely, 2242734560 is an apocalyptic number.

242734560 is a gapful number since it is divisible by the number (20) 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 242734560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384861456).

242734560 is an abundant number, since it is smaller than the sum of its proper divisors (526988352).

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

242734560 is a wasteful number, since it uses less digits than its factorization.

242734560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 242734560 is about 15579.9409498239. The cubic root of 242734560 is about 623.7978470745.

The spelling of 242734560 in words is "two hundred forty-two million, seven hundred thirty-four thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 157 160 240 314 471 480 628 785 942 1256 1570 1884 2355 2512 3140 3221 3768 4710 5024 6280 6442 7536 9420 9663 12560 12884 15072 16105 18840 19326 25120 25768 32210 37680 38652 48315 51536 64420 75360 77304 96630 103072 128840 154608 193260 257680 309216 386520 505697 515360 773040 1011394 1517091 1546080 2022788 2528485 3034182 4045576 5056970 6068364 7585455 8091152 10113940 12136728 15170910 16182304 20227880 24273456 30341820 40455760 48546912 60683640 80911520 121367280 242734560