Search a number
-
+
63145432 = 2376311787
BaseRepresentation
bin1111000011100…
…0010111011000
311101211010020201
43300320113120
5112131123212
610133231544
71364504320
oct360702730
9141733221
1063145432
113270a109
12191925b4
131010b87c
14855a280
155824b57
hex3c385d8

63145432 has 32 divisors (see below), whose sum is σ = 135601920. Its totient is φ = 27004320.

The previous prime is 63145427. The next prime is 63145447. The reversal of 63145432 is 23454136.

63145432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 63145432.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34443 + ... + 36229.

It is an arithmetic number, because the mean of its divisors is an integer number (4237560).

Almost surely, 263145432 is an apocalyptic number.

It is an amenable number.

63145432 is an abundant number, since it is smaller than the sum of its proper divisors (72456488).

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

63145432 is a wasteful number, since it uses less digits than its factorization.

63145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2427 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 63145432 is about 7946.4100070409. The cubic root of 63145432 is about 398.2116665742.

Adding to 63145432 its reverse (23454136), we get a palindrome (86599568).

The spelling of 63145432 in words is "sixty-three million, one hundred forty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 631 1262 1787 2524 3574 4417 5048 7148 8834 12509 14296 17668 25018 35336 50036 100072 1127597 2255194 4510388 7893179 9020776 15786358 31572716 63145432