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53868960 = 2532537409
BaseRepresentation
bin1100110101111…
…1100110100000
310202100211022200
43031133212200
5102242301320
65202333200
71222610235
oct315374640
9122324280
1053868960
1128453602
121605a200
13b211432
14722378c
154ae1290
hex335f9a0

53868960 has 72 divisors (see below), whose sum is σ = 183832740. Its totient is φ = 14364672.

The previous prime is 53868959. The next prime is 53868961. The reversal of 53868960 is 6986835.

It is an interprime number because it is at equal distance from previous prime (53868959) and next prime (53868961).

It can be written as a sum of positive squares in 2 ways, for example, as 45643536 + 8225424 = 6756^2 + 2868^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (53868961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17265 + ... + 20144.

Almost surely, 253868960 is an apocalyptic number.

It is an amenable number.

53868960 is an abundant number, since it is smaller than the sum of its proper divisors (129963780).

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

53868960 is a wasteful number, since it uses less digits than its factorization.

53868960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37430 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 53868960 is about 7339.5476699862. The cubic root of 53868960 is about 377.6703264827.

The spelling of 53868960 in words is "fifty-three million, eight hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 37409 74818 112227 149636 187045 224454 299272 336681 374090 448908 561135 598544 673362 748180 897816 1122270 1197088 1346724 1496360 1683405 1795632 2244540 2693448 2992720 3366810 3591264 4489080 5386896 5985440 6733620 8978160 10773792 13467240 17956320 26934480 53868960