Search a number
-
+
65551045 = 571998573
BaseRepresentation
bin1111101000001…
…1101011000101
311120100100010111
43322003223011
5113240113140
610300553021
71424113630
oct372035305
9146310114
1065551045
113400251a
1219b52771
1310771801
1489c4c17
155b4c7ea
hex3e83ac5

65551045 has 16 divisors (see below), whose sum is σ = 94631040. Its totient is φ = 42583104.

The previous prime is 65551043. The next prime is 65551061. The reversal of 65551045 is 54015556.

It is not a de Polignac number, because 65551045 - 21 = 65551043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65550998 and 65551016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65551043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48622 + ... + 49951.

It is an arithmetic number, because the mean of its divisors is an integer number (5914440).

Almost surely, 265551045 is an apocalyptic number.

It is an amenable number.

65551045 is a deficient number, since it is larger than the sum of its proper divisors (29079995).

65551045 is a wasteful number, since it uses less digits than its factorization.

65551045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98604.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 65551045 is about 8096.3599845857. The cubic root of 65551045 is about 403.2055856764.

The spelling of 65551045 in words is "sixty-five million, five hundred fifty-one thousand, forty-five".

Divisors: 1 5 7 19 35 95 133 665 98573 492865 690011 1872887 3450055 9364435 13110209 65551045