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242617570 = 251323531531
BaseRepresentation
bin11100111011000…
…00110011100010
3121220112020201221
432131200303202
5444102230240
640024045254
76004133566
oct1635406342
9556466657
10242617570
11114a51198
126930382a
133b3593c0
14243176a6
1516476a4a
hexe760ce2

242617570 has 64 divisors (see below), whose sum is σ = 500338944. Its totient is φ = 84015360.

The previous prime is 242617511. The next prime is 242617577. The reversal of 242617570 is 75716242.

242617570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (242617577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157705 + ... + 159235.

It is an arithmetic number, because the mean of its divisors is an integer number (7817796).

Almost surely, 2242617570 is an apocalyptic number.

242617570 is an abundant number, since it is smaller than the sum of its proper divisors (257721374).

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

242617570 is a wasteful number, since it uses less digits than its factorization.

242617570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 242617570 is about 15576.1859901582. The cubic root of 242617570 is about 623.6976143517.

The spelling of 242617570 in words is "two hundred forty-two million, six hundred seventeen thousand, five hundred seventy".

Divisors: 1 2 5 10 13 23 26 46 53 65 106 115 130 230 265 299 530 598 689 1219 1378 1495 1531 2438 2990 3062 3445 6095 6890 7655 12190 15310 15847 19903 31694 35213 39806 70426 79235 81143 99515 158470 162286 176065 199030 352130 405715 457769 811430 915538 1054859 1866289 2109718 2288845 3732578 4577690 5274295 9331445 10548590 18662890 24261757 48523514 121308785 242617570