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40144300 = 2252757349
BaseRepresentation
bin1001100100100…
…0110110101100
32210112112121221
42121020312230
540234104200
63552233124
7665135530
oct231106654
983475557
1040144300
112072a009
121153b7a4
138417431
14548dbc0
1537ce91a
hex2648dac

40144300 has 36 divisors (see below), whose sum is σ = 99559600. Its totient is φ = 13763520.

The previous prime is 40144229. The next prime is 40144301. The reversal of 40144300 is 344104.

It is a super-2 number, since 2×401443002 = 3223129644980000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40144301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27975 + ... + 29374.

Almost surely, 240144300 is an apocalyptic number.

It is an amenable number.

40144300 is an abundant number, since it is smaller than the sum of its proper divisors (59415300).

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

40144300 is a wasteful number, since it uses less digits than its factorization.

40144300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57370 (or 57363 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40144300 is about 6335.9529669972. The cubic root of 40144300 is about 342.4059450121.

Adding to 40144300 its reverse (344104), we get a palindrome (40488404).

The spelling of 40144300 in words is "forty million, one hundred forty-four thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 57349 114698 229396 286745 401443 573490 802886 1146980 1433725 1605772 2007215 2867450 4014430 5734900 8028860 10036075 20072150 40144300