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64311452 = 2241392143
BaseRepresentation
bin1111010101010…
…1000010011100
311111000100201122
43311111002130
5112430431302
610214230112
71410431642
oct365250234
9144010648
1064311452
1133336167
1219655338
131042951a
148781192
1559a53a2
hex3d5509c

64311452 has 12 divisors (see below), whose sum is σ = 115290336. Its totient is φ = 31371360.

The previous prime is 64311433. The next prime is 64311461. The reversal of 64311452 is 25411346.

64311452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 195908 + ... + 196235.

It is an arithmetic number, because the mean of its divisors is an integer number (9607528).

Almost surely, 264311452 is an apocalyptic number.

It is an amenable number.

64311452 is a deficient number, since it is larger than the sum of its proper divisors (50978884).

64311452 is a wasteful number, since it uses less digits than its factorization.

64311452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392188 (or 392186 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 64311452 is about 8019.4421252354. The cubic root of 64311452 is about 400.6478086269.

Adding to 64311452 its reverse (25411346), we get a palindrome (89722798).

The spelling of 64311452 in words is "sixty-four million, three hundred eleven thousand, four hundred fifty-two".

Divisors: 1 2 4 41 82 164 392143 784286 1568572 16077863 32155726 64311452