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53750580 = 223513137503
BaseRepresentation
bin1100110100001…
…0101100110100
310202010210221020
43031002230310
5102230004310
65200021140
71221605142
oct315025464
9122123836
1053750580
1128382674
12160017b0
13b19c5a0
1471d2592
154abb170
hex3342b34

53750580 has 96 divisors (see below), whose sum is σ = 163586304. Its totient is φ = 13108224.

The previous prime is 53750579. The next prime is 53750623. The reversal of 53750580 is 8505735.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106609 + ... + 107111.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024).

Almost surely, 253750580 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 53750580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81793152).

53750580 is an abundant number, since it is smaller than the sum of its proper divisors (109835724).

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

53750580 is a wasteful number, since it uses less digits than its factorization.

53750580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 53750580 is about 7331.4787048726. The cubic root of 53750580 is about 377.3934731509.

The spelling of 53750580 in words is "fifty-three million, seven hundred fifty thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 137 156 195 260 274 390 411 503 548 685 780 822 1006 1370 1509 1644 1781 2012 2055 2515 2740 3018 3562 4110 5030 5343 6036 6539 7124 7545 8220 8905 10060 10686 13078 15090 17810 19617 21372 26156 26715 30180 32695 35620 39234 53430 65390 68911 78468 98085 106860 130780 137822 196170 206733 275644 344555 392340 413466 689110 826932 895843 1033665 1378220 1791686 2067330 2687529 3583372 4134660 4479215 5375058 8958430 10750116 13437645 17916860 26875290 53750580