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274899942 = 232193592239
BaseRepresentation
bin10000011000101…
…010001111100110
3201011021100211100
4100120222033212
51030333244232
643140020530
76545416362
oct2030521746
9634240740
10274899942
111311a0439
1278091746
1344c501b5
142871c2a2
1519201c7c
hex1062a3e6

274899942 has 48 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 86530032.

The previous prime is 274899931. The next prime is 274899983. The reversal of 274899942 is 249998472.

It is a super-2 number, since 2×2748999422 = 151139956223206728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121659 + ... + 123897.

It is an arithmetic number, because the mean of its divisors is an integer number (13104000).

Almost surely, 2274899942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274899942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

274899942 is an abundant number, since it is smaller than the sum of its proper divisors (354092058).

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

274899942 is a wasteful number, since it uses less digits than its factorization.

274899942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2622 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 274899942 is about 16580.1068150962. The cubic root of 274899942 is about 650.2168444165.

The spelling of 274899942 in words is "two hundred seventy-four million, eight hundred ninety-nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 359 718 1077 2154 2239 3231 4478 6462 6717 6821 13434 13642 20151 20463 40302 40926 42541 61389 85082 122778 127623 255246 382869 765738 803801 1607602 2411403 4822806 7234209 14468418 15272219 30544438 45816657 91633314 137449971 274899942