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42103560 = 23351720639
BaseRepresentation
bin1010000010011…
…1001100001000
32221020002020010
42200213030020
541234303220
64102231520
71020605622
oct240471410
987202203
1042103560
1121848034
12121255a0
138952165
14583dc12
153a6a1e0
hex2827308

42103560 has 64 divisors (see below), whose sum is σ = 133747200. Its totient is φ = 10566656.

The previous prime is 42103541. The next prime is 42103613. The reversal of 42103560 is 6530124.

It is a happy 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, 8280 + ... + 12359.

It is an arithmetic number, because the mean of its divisors is an integer number (2089800).

Almost surely, 242103560 is an apocalyptic number.

42103560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42103560 is an abundant number, since it is smaller than the sum of its proper divisors (91643640).

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

42103560 is a wasteful number, since it uses less digits than its factorization.

42103560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20670 (or 20666 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 42103560 is about 6488.7256067736. The cubic root of 42103560 is about 347.8881262798. Note that the first 3 decimals are identical.

Adding to 42103560 its reverse (6530124), we get a palindrome (48633684).

The spelling of 42103560 in words is "forty-two million, one hundred three thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 20639 41278 61917 82556 103195 123834 165112 206390 247668 309585 350863 412780 495336 619170 701726 825560 1052589 1238340 1403452 1754315 2105178 2476680 2806904 3508630 4210356 5262945 7017260 8420712 10525890 14034520 21051780 42103560