Search a number
-
+
49654143 = 32711137523
BaseRepresentation
bin1011110101101…
…0100101111111
310110102200200100
42331122211333
5100202413033
64532132143
71142024160
oct275324577
9113380610
1049654143
1126034990
1214767053
13a396b66
146847767
15455c513
hex2f5a97f

49654143 has 48 divisors (see below), whose sum is σ = 90245376. Its totient is φ = 25557120.

The previous prime is 49654141. The next prime is 49654151. The reversal of 49654143 is 34145694.

It is not a de Polignac number, because 49654143 - 21 = 49654141 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49654098 and 49654107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49654141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94680 + ... + 95202.

It is an arithmetic number, because the mean of its divisors is an integer number (1880112).

Almost surely, 249654143 is an apocalyptic number.

49654143 is a deficient number, since it is larger than the sum of its proper divisors (40591233).

49654143 is a wasteful number, since it uses less digits than its factorization.

49654143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 681 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 49654143 is about 7046.5695909428. The cubic root of 49654143 is about 367.5517517012.

The spelling of 49654143 in words is "forty-nine million, six hundred fifty-four thousand, one hundred forty-three".

Divisors: 1 3 7 9 11 21 33 63 77 99 137 231 411 523 693 959 1233 1507 1569 2877 3661 4521 4707 5753 8631 10549 10983 13563 17259 31647 32949 40271 51777 71651 94941 120813 214953 362439 501557 644859 788161 1504671 2364483 4514013 5517127 7093449 16551381 49654143