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142575450 = 23524197239
BaseRepresentation
bin10000111111110…
…00011101011010
3100221021120202020
420133320131122
5242444403300
622051515310
73350604603
oct1037703532
9327246666
10142575450
1173531056
123b8b8b36
13236cc694
1414d14daa
15c7b48a0
hex87f875a

142575450 has 96 divisors (see below), whose sum is σ = 367476480. Its totient is φ = 36556800.

The previous prime is 142575437. The next prime is 142575457. The reversal of 142575450 is 54575241.

It is not an unprimeable number, because it can be changed into a prime (142575457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 596431 + ... + 596669.

It is an arithmetic number, because the mean of its divisors is an integer number (3827880).

Almost surely, 2142575450 is an apocalyptic number.

142575450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142575450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183738240).

142575450 is an abundant number, since it is smaller than the sum of its proper divisors (224901030).

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

142575450 is a wasteful number, since it uses less digits than its factorization.

142575450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 142575450 is about 11940.4962208444. The cubic root of 142575450 is about 522.4141323908.

The spelling of 142575450 in words is "one hundred forty-two million, five hundred seventy-five thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 97 123 150 194 205 239 246 291 410 478 485 582 615 717 970 1025 1195 1230 1434 1455 2050 2390 2425 2910 3075 3585 3977 4850 5975 6150 7170 7275 7954 9799 11931 11950 14550 17925 19598 19885 23183 23862 29397 35850 39770 46366 48995 58794 59655 69549 97990 99425 115915 119310 139098 146985 198850 231830 244975 293970 298275 347745 489950 579575 596550 695490 734925 950503 1159150 1469850 1738725 1901006 2851509 3477450 4752515 5703018 9505030 14257545 23762575 28515090 47525150 71287725 142575450