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2257141460 = 2257891071693
BaseRepresentation
bin1000011010001001…
…0011111011010100
312211022012122222212
42012202103323110
514110312011320
61011550212552
7106635246230
oct20642237324
95738178885
102257141460
11a59108872
1252bab4158
1329c81a482
14175ab35c0
15d32579c5
hex86893ed4

2257141460 has 96 divisors (see below), whose sum is σ = 5532468480. Its totient is φ = 757582848.

The previous prime is 2257141421. The next prime is 2257141463. The reversal of 2257141460 is 641417522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257141463) 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, 1332374 + ... + 1334066.

It is an arithmetic number, because the mean of its divisors is an integer number (57629880).

Almost surely, 22257141460 is an apocalyptic number.

2257141460 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 2257141460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2766234240).

2257141460 is an abundant number, since it is smaller than the sum of its proper divisors (3275327020).

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

2257141460 is a wasteful number, since it uses less digits than its factorization.

2257141460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2257141460 is about 47509.3828627567. The cubic root of 2257141460 is about 1311.7555973524.

Adding to 2257141460 its reverse (641417522), we get a palindrome (2898558982).

The spelling of 2257141460 in words is "two billion, two hundred fifty-seven million, one hundred forty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 107 140 178 214 356 428 445 535 623 749 890 1070 1246 1498 1693 1780 2140 2492 2996 3115 3386 3745 6230 6772 7490 8465 9523 11851 12460 14980 16930 19046 23702 33860 38092 47404 47615 59255 66661 95230 118510 133322 150677 181151 190460 237020 266644 301354 333305 362302 602708 666610 724604 753385 905755 1054739 1268057 1333220 1506770 1811510 2109478 2536114 3013540 3623020 4218956 5072228 5273695 6340285 10547390 12680570 16122439 21094780 25361140 32244878 64489756 80612195 112857073 161224390 225714146 322448780 451428292 564285365 1128570730 2257141460