Search a number
-
+
45188670 = 2352951941
BaseRepresentation
bin1010110001100…
…0011000111110
310011000211012110
42230120120332
543032014140
64252314450
71056045252
oct254303076
9104024173
1045188670
1123564a0a
1213172a26
139492477
146004262
153e79380
hex2b1863e

45188670 has 32 divisors (see below), whose sum is σ = 112194720. Its totient is φ = 11634560.

The previous prime is 45188659. The next prime is 45188677. The reversal of 45188670 is 7688154.

45188670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45188677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25101 + ... + 26840.

It is an arithmetic number, because the mean of its divisors is an integer number (3506085).

Almost surely, 245188670 is an apocalyptic number.

45188670 is an abundant number, since it is smaller than the sum of its proper divisors (67006050).

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

45188670 is a wasteful number, since it uses less digits than its factorization.

45188670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51980.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 45188670 is about 6722.2518548475. The cubic root of 45188670 is about 356.1857329438.

The spelling of 45188670 in words is "forty-five million, one hundred eighty-eight thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 51941 103882 155823 259705 311646 519410 779115 1506289 1558230 3012578 4518867 7531445 9037734 15062890 22594335 45188670