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53965408 = 2571032339
BaseRepresentation
bin1100110111011…
…1001001100000
310202112201121211
43031313021200
5102303343113
65204355504
71223461360
oct315671140
9122481554
1053965408
112850a012
12160a5b94
13b2462c3
14724a9a0
154b0eb3d
hex3377260

53965408 has 48 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 22893696.

The previous prime is 53965403. The next prime is 53965427. The reversal of 53965408 is 80456935.

53965408 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 not an unprimeable number, because it can be changed into a prime (53965403) by changing a digit.

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, 21903 + ... + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 253965408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53965408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

53965408 is an abundant number, since it is smaller than the sum of its proper divisors (68688032).

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

53965408 is a wasteful number, since it uses less digits than its factorization.

53965408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 53965408 is about 7346.1151638128. The cubic root of 53965408 is about 377.8955881192.

The spelling of 53965408 in words is "fifty-three million, nine hundred sixty-five thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 103 112 206 224 412 721 824 1442 1648 2339 2884 3296 4678 5768 9356 11536 16373 18712 23072 32746 37424 65492 74848 130984 240917 261968 481834 523936 963668 1686419 1927336 3372838 3854672 6745676 7709344 13491352 26982704 53965408