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242351000 = 23532341257
BaseRepresentation
bin11100111000111…
…11101110011000
3121220000201001222
432130133232120
5444020213000
640014231212
76001643453
oct1634375630
9556021058
10242351000
11114889991
12691b5508
133b294c78
142428849a
1516422a85
hexe71fb98

242351000 has 128 divisors (see below), whose sum is σ = 608549760. Its totient is φ = 90112000.

The previous prime is 242350973. The next prime is 242351003. The reversal of 242351000 is 153242.

It is a self number, because there is not a number n which added to its sum of digits gives 242351000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242351003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 942872 + ... + 943128.

It is an arithmetic number, because the mean of its divisors is an integer number (4754295).

Almost surely, 2242351000 is an apocalyptic number.

242351000 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 242351000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304274880).

242351000 is an abundant number, since it is smaller than the sum of its proper divisors (366198760).

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

242351000 is a wasteful number, since it uses less digits than its factorization.

242351000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 242351000 is about 15567.6266656161. The cubic root of 242351000 is about 623.4691065795.

The spelling of 242351000 in words is "two hundred forty-two million, three hundred fifty-one thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 41 46 50 82 92 100 115 125 164 184 200 205 230 250 257 328 410 460 500 514 575 820 920 943 1000 1025 1028 1150 1285 1640 1886 2050 2056 2300 2570 2875 3772 4100 4600 4715 5125 5140 5750 5911 6425 7544 8200 9430 10250 10280 10537 11500 11822 12850 18860 20500 21074 23000 23575 23644 25700 29555 32125 37720 41000 42148 47150 47288 51400 52685 59110 64250 84296 94300 105370 117875 118220 128500 147775 188600 210740 235750 236440 242351 257000 263425 295550 421480 471500 484702 526850 591100 738875 943000 969404 1053700 1182200 1211755 1317125 1477750 1938808 2107400 2423510 2634250 2955500 4847020 5268500 5911000 6058775 9694040 10537000 12117550 24235100 30293875 48470200 60587750 121175500 242351000