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57375500 = 2253713297
BaseRepresentation
bin1101101011011…
…1101100001100
310222221222101112
43122313230030
5104142004000
65405431152
71264453340
oct332675414
9128858345
1057375500
112a429076
121726b4b8
13bb6b500
147897620
155085235
hex36b7b0c

57375500 has 144 divisors (see below), whose sum is σ = 156671424. Its totient is φ = 17971200.

The previous prime is 57375473. The next prime is 57375557. The reversal of 57375500 is 557375.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 591452 + ... + 591548.

It is an arithmetic number, because the mean of its divisors is an integer number (1087996).

Almost surely, 257375500 is an apocalyptic number.

57375500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57375500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78335712).

57375500 is an abundant number, since it is smaller than the sum of its proper divisors (99295924).

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

57375500 is a wasteful number, since it uses less digits than its factorization.

57375500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 57375500 is about 7574.6617086178. The cubic root of 57375500 is about 385.6933589796.

It can be divided in two parts, 57375 and 500, that added together give a palindrome (57875).

The spelling of 57375500 in words is "fifty-seven million, three hundred seventy-five thousand, five hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 97 100 125 130 140 169 175 182 194 250 260 325 338 350 364 388 455 485 500 650 676 679 700 845 875 910 970 1183 1261 1300 1358 1625 1690 1750 1820 1940 2275 2366 2425 2522 2716 3250 3380 3395 3500 4225 4550 4732 4850 5044 5915 6305 6500 6790 8450 8827 9100 9700 11375 11830 12125 12610 13580 16393 16900 16975 17654 21125 22750 23660 24250 25220 29575 31525 32786 33950 35308 42250 44135 45500 48500 59150 63050 65572 67900 81965 84500 84875 88270 114751 118300 126100 147875 157625 163930 169750 176540 220675 229502 295750 315250 327860 339500 409825 441350 459004 573755 591500 630500 819650 882700 1103375 1147510 1639300 2049125 2206750 2295020 2868775 4098250 4413500 5737550 8196500 11475100 14343875 28687750 57375500