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42189600 = 2535217579
BaseRepresentation
bin1010000011110…
…0001100100000
32221101110020210
42200330030200
541300031400
64104134120
71021414515
oct240741440
987343223
1042189600
11218a6742
1212167340
13898237b
14586330c
153a85950
hex283c320

42189600 has 72 divisors (see below), whose sum is σ = 137334960. Its totient is φ = 11249920.

The previous prime is 42189571. The next prime is 42189617. The reversal of 42189600 is 698124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6390 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (1907430).

Almost surely, 242189600 is an apocalyptic number.

42189600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42189600 is an abundant number, since it is smaller than the sum of its proper divisors (95145360).

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

42189600 is a wasteful number, since it uses less digits than its factorization.

42189600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17602 (or 17589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 42189600 is about 6495.3521844470. The cubic root of 42189600 is about 348.1249386246.

The spelling of 42189600 in words is "forty-two million, one hundred eighty-nine thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 17579 35158 52737 70316 87895 105474 140632 175790 210948 263685 281264 351580 421896 439475 527370 562528 703160 843792 878950 1054740 1318425 1406320 1687584 1757900 2109480 2636850 2812640 3515800 4218960 5273700 7031600 8437920 10547400 14063200 21094800 42189600