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2852220 = 223576791
BaseRepresentation
bin1010111000010101111100
312100220111210
422320111330
51212232340
6141044420
733146340
oct12702574
95326453
102852220
111678a08
12b56710
1378b307
14543620
153b5180
hex2b857c

2852220 has 48 divisors (see below), whose sum is σ = 9128448. Its totient is φ = 651840.

The previous prime is 2852197. The next prime is 2852249. The reversal of 2852220 is 222582.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2976 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (190176).

22852220 is an apocalyptic number.

2852220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2852220 is an abundant number, since it is smaller than the sum of its proper divisors (6276228).

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

2852220 is a wasteful number, since it uses less digits than its factorization.

2852220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810 (or 6808 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2852220 is about 1688.8516808767. The cubic root of 2852220 is about 141.8167973985.

The spelling of 2852220 in words is "two million, eight hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 6791 13582 20373 27164 33955 40746 47537 67910 81492 95074 101865 135820 142611 190148 203730 237685 285222 407460 475370 570444 713055 950740 1426110 2852220