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42628000 = 255310657
BaseRepresentation
bin1010001010011…
…1001110100000
32222012201121211
42202213032200
541403044000
64121355504
71025221612
oct242471640
988181554
1042628000
1122076058
1212338b94
138aa6a8c
145938db2
153b207ba
hex28a73a0

42628000 has 48 divisors (see below), whose sum is σ = 104746824. Its totient is φ = 17049600.

The previous prime is 42627997. The next prime is 42628021. The reversal of 42628000 is 82624.

It can be written as a sum of positive squares in 4 ways, for example, as 3640464 + 38987536 = 1908^2 + 6244^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1329 + ... + 9328.

Almost surely, 242628000 is an apocalyptic number.

42628000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42628000 is an abundant number, since it is smaller than the sum of its proper divisors (62118824).

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

42628000 is a wasteful number, since it uses less digits than its factorization.

42628000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682 (or 10664 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42628000 is about 6529.0121764322. The cubic root of 42628000 is about 349.3265963518.

The spelling of 42628000 in words is "forty-two million, six hundred twenty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 10657 21314 42628 53285 85256 106570 170512 213140 266425 341024 426280 532850 852560 1065700 1332125 1705120 2131400 2664250 4262800 5328500 8525600 10657000 21314000 42628000