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53382980 = 2257973931
BaseRepresentation
bin1100101110100…
…0111101000100
310201110010200102
43023220331010
5102131223410
65144103232
71215514340
oct313507504
9121403612
1053382980
1128151472
1215a64b18
13b0a1181
147138620
154a472a5
hex32e8f44

53382980 has 48 divisors (see below), whose sum is σ = 129472896. Its totient is φ = 18109440.

The previous prime is 53382949. The next prime is 53383013. The reversal of 53382980 is 8928335.

53382980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 11615 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (2697352).

Almost surely, 253382980 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 53382980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64736448).

53382980 is an abundant number, since it is smaller than the sum of its proper divisors (76089916).

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

53382980 is a wasteful number, since it uses less digits than its factorization.

53382980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 53382980 is about 7306.3657176465. The cubic root of 53382980 is about 376.5311735847.

The spelling of 53382980 in words is "fifty-three million, three hundred eighty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 97 140 194 388 485 679 970 1358 1940 2716 3395 3931 6790 7862 13580 15724 19655 27517 39310 55034 78620 110068 137585 275170 381307 550340 762614 1525228 1906535 2669149 3813070 5338298 7626140 10676596 13345745 26691490 53382980