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557333140 = 225713359853
BaseRepresentation
bin100001001110000…
…011101010010100
31102211201110100011
4201032003222110
52120134130030
6131145330004
716545152650
oct4116035224
91384643304
10557333140
11266666701
12136796904
138b60a230
145403ba60
1533de0b2a
hex21383a94

557333140 has 96 divisors (see below), whose sum is σ = 1446197760. Its totient is φ = 175689216.

The previous prime is 557333129. The next prime is 557333197. The reversal of 557333140 is 41333755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652954 + ... + 653806.

It is an arithmetic number, because the mean of its divisors is an integer number (15064560).

Almost surely, 2557333140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557333140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723098880).

557333140 is an abundant number, since it is smaller than the sum of its proper divisors (888864620).

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

557333140 is a wasteful number, since it uses less digits than its factorization.

557333140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 557333140 is about 23607.9041848276. The cubic root of 557333140 is about 822.9465380159.

Adding to 557333140 its reverse (41333755), we get a palindrome (598666895).

The spelling of 557333140 in words is "five hundred fifty-seven million, three hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 359 364 455 718 853 910 1436 1706 1795 1820 2513 3412 3590 4265 4667 5026 5971 7180 8530 9334 10052 11089 11942 12565 17060 18668 22178 23335 23884 25130 29855 32669 44356 46670 50260 55445 59710 65338 77623 93340 110890 119420 130676 155246 163345 221780 306227 310492 326690 388115 612454 653380 776230 1224908 1531135 1552460 2143589 3062270 3980951 4287178 6124540 7961902 8574356 10717945 15923804 19904755 21435890 27866657 39809510 42871780 55733314 79619020 111466628 139333285 278666570 557333140