Search a number
-
+
50153145 = 3571728097
BaseRepresentation
bin1011111101010…
…0011010111001
310111101001011220
42333110122321
5100314400040
64550542253
71146203040
oct277243271
9114331156
1050153145
1126345889
1214967989
13a510023
146937557
15460a2d0
hex2fd46b9

50153145 has 32 divisors (see below), whose sum is σ = 97106688. Its totient is φ = 21577728.

The previous prime is 50153143. The next prime is 50153197. The reversal of 50153145 is 54135105.

It is not a de Polignac number, because 50153145 - 21 = 50153143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50153143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12264 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (3034584).

Almost surely, 250153145 is an apocalyptic number.

It is an amenable number.

50153145 is a deficient number, since it is larger than the sum of its proper divisors (46953543).

50153145 is a wasteful number, since it uses less digits than its factorization.

50153145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28129.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 50153145 is about 7081.8885193146. Note that the first 3 decimals coincide. The cubic root of 50153145 is about 368.7788938386.

The spelling of 50153145 in words is "fifty million, one hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 28097 84291 140485 196679 421455 477649 590037 983395 1432947 2388245 2950185 3343543 7164735 10030629 16717715 50153145