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242122574 = 2157771091
BaseRepresentation
bin11100110111001…
…11111101001110
3121212121002201202
432123213331032
5443440410244
640005305502
76000002501
oct1633477516
9555532652
10242122574
11114743301
1269105292
133b214cc5
1424229138
15163ca04e
hexe6e7f4e

242122574 has 8 divisors (see below), whose sum is σ = 365497608. Its totient is φ = 120290040.

The previous prime is 242122499. The next prime is 242122577. The reversal of 242122574 is 475221242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242122577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385232 + ... + 385859.

It is an arithmetic number, because the mean of its divisors is an integer number (45687201).

Almost surely, 2242122574 is an apocalyptic number.

242122574 is a deficient number, since it is larger than the sum of its proper divisors (123375034).

242122574 is a wasteful number, since it uses less digits than its factorization.

242122574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771250.

The product of its digits is 8960, while the sum is 29.

The square root of 242122574 is about 15560.2883649372. The cubic root of 242122574 is about 623.2731630622.

The spelling of 242122574 in words is "two hundred forty-two million, one hundred twenty-two thousand, five hundred seventy-four".

Divisors: 1 2 157 314 771091 1542182 121061287 242122574