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42745150 = 2527273239
BaseRepresentation
bin1010001100001…
…1110100111110
32222102200022201
42203003310332
541420321100
64124102114
71026220300
oct243036476
988380281
1042745150
1122146078
121239493a
138b181b6
145969970
153b4536a
hex28c3d3e

42745150 has 72 divisors (see below), whose sum is σ = 94145760. Its totient is φ = 14394240.

The previous prime is 42745111. The next prime is 42745151. The reversal of 42745150 is 5154724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42745151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 178731 + ... + 178969.

It is an arithmetic number, because the mean of its divisors is an integer number (1307580).

Almost surely, 242745150 is an apocalyptic number.

42745150 is an abundant number, since it is smaller than the sum of its proper divisors (51400610).

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

42745150 is a wasteful number, since it uses less digits than its factorization.

42745150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 42745150 is about 6537.9775160213. The cubic root of 42745150 is about 349.6463093669.

Adding to 42745150 its reverse (5154724), we get a palindrome (47899874).

The spelling of 42745150 in words is "forty-two million, seven hundred forty-five thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 73 98 146 175 239 245 350 365 478 490 511 730 1022 1195 1225 1673 1825 2390 2450 2555 3346 3577 3650 5110 5975 7154 8365 11711 11950 12775 16730 17447 17885 23422 25550 34894 35770 41825 58555 83650 87235 89425 117110 122129 174470 178850 244258 292775 436175 585550 610645 854903 872350 1221290 1709806 3053225 4274515 6106450 8549030 21372575 42745150