Search a number
-
+
61465452 = 2235122121
BaseRepresentation
bin1110101001111…
…0001101101100
311021122202202020
43222132031230
5111213343302
610033230140
71344306366
oct352361554
9137582666
1061465452
11317719a4
1218702350
13c970cb9
14823dd36
1555e1ebc
hex3a9e36c

61465452 has 12 divisors (see below), whose sum is σ = 143419416. Its totient is φ = 20488480.

The previous prime is 61465441. The next prime is 61465457. The reversal of 61465452 is 25456416.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (61465457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561049 + ... + 2561072.

It is an arithmetic number, because the mean of its divisors is an integer number (11951618).

Almost surely, 261465452 is an apocalyptic number.

It is an amenable number.

61465452 is an abundant number, since it is smaller than the sum of its proper divisors (81953964).

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

61465452 is a wasteful number, since it uses less digits than its factorization.

61465452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122128 (or 5122126 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 61465452 is about 7839.9905612188. The cubic root of 61465452 is about 394.6484122436.

It can be divided in two parts, 614 and 65452, that added together give a palindrome (66066).

The spelling of 61465452 in words is "sixty-one million, four hundred sixty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 5122121 10244242 15366363 20488484 30732726 61465452