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52023580 = 22573111987
BaseRepresentation
bin1100011001110…
…1000100011100
310121220001221021
43012131010130
5101304223310
65055013524
71201123150
oct306350434
9117801837
1052023580
11274030a4
121550a2a4
13aa164ab
146ca3060
1548795da
hex319d11c

52023580 has 48 divisors (see below), whose sum is σ = 128894976. Its totient is φ = 17259840.

The previous prime is 52023551. The next prime is 52023583. The reversal of 52023580 is 8532025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52023583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1654 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (2685312).

Almost surely, 252023580 is an apocalyptic number.

It is an amenable number.

52023580 is an abundant number, since it is smaller than the sum of its proper divisors (76871396).

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

52023580 is a wasteful number, since it uses less digits than its factorization.

52023580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034 (or 12032 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52023580 is about 7212.7373444484. The cubic root of 52023580 is about 373.3075254977.

The spelling of 52023580 in words is "fifty-two million, twenty-three thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 11987 23974 47948 59935 83909 119870 167818 239740 335636 371597 419545 743194 839090 1486388 1678180 1857985 2601179 3715970 5202358 7431940 10404716 13005895 26011790 52023580