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53263980 = 22345721161
BaseRepresentation
bin1100101100101…
…1111001101100
310201020002110000
43023023321230
5102113421410
65141344300
71214510400
oct313137154
9121202400
1053263980
1128080020
1215a08090
13b05bc63
147107100
154a21dc0
hex32cbe6c

53263980 has 360 divisors, whose sum is σ = 215517456. Its totient is φ = 10886400.

The previous prime is 53263963. The next prime is 53263997. The reversal of 53263980 is 8936235.

It is an interprime number because it is at equal distance from previous prime (53263963) and next prime (53263997).

It is a super-3 number, since 3×532639803 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 873150 + ... + 873210.

Almost surely, 253263980 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 53263980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107758728).

53263980 is an abundant number, since it is smaller than the sum of its proper divisors (162253476).

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

53263980 is a wasteful number, since it uses less digits than its factorization.

53263980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53263980 is about 7298.2175906176. The cubic root of 53263980 is about 376.2511808148.

The spelling of 53263980 in words is "fifty-three million, two hundred sixty-three thousand, nine hundred eighty".