Search a number
-
+
42530148 = 22323893037
BaseRepresentation
bin1010001000111…
…1010101100100
32222000202101200
42202033111210
541341431043
64115322500
71024333413
oct242172544
988022350
1042530148
1122009591
12122b0430
138a7138b
14591147a
153b017d3
hex288f564

42530148 has 36 divisors (see below), whose sum is σ = 107818620. Its totient is φ = 14135616.

The previous prime is 42530119. The next prime is 42530179. The reversal of 42530148 is 84103524.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 19027044 = 4848^2 + 4362^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12486 + ... + 15522.

Almost surely, 242530148 is an apocalyptic number.

It is an amenable number.

42530148 is an abundant number, since it is smaller than the sum of its proper divisors (65288472).

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

42530148 is a wasteful number, since it uses less digits than its factorization.

42530148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42530148 is about 6521.5142413400. The cubic root of 42530148 is about 349.0591000698.

The spelling of 42530148 in words is "forty-two million, five hundred thirty thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 389 778 1167 1556 2334 3037 3501 4668 6074 7002 9111 12148 14004 18222 27333 36444 54666 109332 1181393 2362786 3544179 4725572 7088358 10632537 14176716 21265074 42530148