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42554512 = 24711132657
BaseRepresentation
bin1010001001010…
…1010010010000
32222001222211001
42202111102100
541343221022
64120031344
71024464430
oct242252220
988058731
1042554512
1122025920
1212302554
138a7c4b0
14591a2c0
153b08b27
hex2895490

42554512 has 80 divisors (see below), whose sum is σ = 110742912. Its totient is φ = 15298560.

The previous prime is 42554497. The next prime is 42554527. The reversal of 42554512 is 21545524.

It is an interprime number because it is at equal distance from previous prime (42554497) and next prime (42554527).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 14688 + ... + 17344.

Almost surely, 242554512 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 42554512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55371456).

42554512 is an abundant number, since it is smaller than the sum of its proper divisors (68188400).

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

42554512 is a wasteful number, since it uses less digits than its factorization.

42554512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2690 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 42554512 is about 6523.3819449730. The cubic root of 42554512 is about 349.1257418354.

The spelling of 42554512 in words is "forty-two million, five hundred fifty-four thousand, five hundred twelve".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 44 52 56 77 88 91 104 112 143 154 176 182 208 286 308 364 572 616 728 1001 1144 1232 1456 2002 2288 2657 4004 5314 8008 10628 16016 18599 21256 29227 34541 37198 42512 58454 69082 74396 116908 138164 148792 204589 233816 241787 276328 297584 379951 409178 467632 483574 552656 759902 818356 967148 1519804 1636712 1934296 2659657 3039608 3273424 3868592 5319314 6079216 10638628 21277256 42554512