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40070084 = 2210017521
BaseRepresentation
bin1001100011011…
…0101111000100
32210101202211012
42120312233010
540224220314
63550501352
7664406255
oct230665704
983352735
1040070084
112068927a
1211504858
1383bc712
145470b2c
1537b793e
hex2636bc4

40070084 has 6 divisors (see below), whose sum is σ = 70122654. Its totient is φ = 20035040.

The previous prime is 40070077. The next prime is 40070099. The reversal of 40070084 is 48007004.

40070084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39967684 + 102400 = 6322^2 + 320^2 .

It is a super-2 number, since 2×400700842 = 3211223263534112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008757 + ... + 5008764.

It is an arithmetic number, because the mean of its divisors is an integer number (11687109).

Almost surely, 240070084 is an apocalyptic number.

It is an amenable number.

40070084 is a deficient number, since it is larger than the sum of its proper divisors (30052570).

40070084 is a wasteful number, since it uses less digits than its factorization.

40070084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017525 (or 10017523 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40070084 is about 6330.0935222159. The cubic root of 40070084 is about 342.1948093863.

Adding to 40070084 its reverse (48007004), we get a palindrome (88077088).

The spelling of 40070084 in words is "forty million, seventy thousand, eighty-four".

Divisors: 1 2 4 10017521 20035042 40070084