[go: up one dir, main page]

Search a number
-
+
42505044 = 2236158067
BaseRepresentation
bin1010001000100…
…1001101010100
32221222110221220
42202021031110
541340130134
64115010340
71024200261
oct242111524
987873856
1042505044
1121aa173a
12122999b0
138a62b1a
145906268
153ae9149
hex2889354

42505044 has 24 divisors (see below), whose sum is σ = 100806048. Its totient is φ = 13935840.

The previous prime is 42505031. The next prime is 42505051. The reversal of 42505044 is 44050524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28302 + ... + 29765.

It is an arithmetic number, because the mean of its divisors is an integer number (4200252).

Almost surely, 242505044 is an apocalyptic number.

It is an amenable number.

42505044 is an abundant number, since it is smaller than the sum of its proper divisors (58301004).

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

42505044 is a wasteful number, since it uses less digits than its factorization.

42505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58135 (or 58133 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42505044 is about 6519.5892508654. The cubic root of 42505044 is about 348.9904075874.

Adding to 42505044 its reverse (44050524), we get a palindrome (86555568).

The spelling of 42505044 in words is "forty-two million, five hundred five thousand, forty-four".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 58067 116134 174201 232268 348402 696804 3542087 7084174 10626261 14168348 21252522 42505044