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40670030 = 2537109919
BaseRepresentation
bin1001101100100…
…1001101001110
32211112020210102
42123021031032
540402420110
64011411102
71002455342
oct233111516
984466712
1040670030
1120a58aa5
1211753a92
13856c80b
145589622
1538855a5
hex26c934e

40670030 has 16 divisors (see below), whose sum is σ = 75185280. Its totient is φ = 15828192.

The previous prime is 40670023. The next prime is 40670041. The reversal of 40670030 is 3007604.

40670030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40669984 and 40670011.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 54590 + ... + 55329.

It is an arithmetic number, because the mean of its divisors is an integer number (4699080).

Almost surely, 240670030 is an apocalyptic number.

40670030 is a deficient number, since it is larger than the sum of its proper divisors (34515250).

40670030 is a wasteful number, since it uses less digits than its factorization.

40670030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109963.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 40670030 is about 6377.3058574919. The cubic root of 40670030 is about 343.8941839222.

Adding to 40670030 its reverse (3007604), we get a palindrome (43677634).

The spelling of 40670030 in words is "forty million, six hundred seventy thousand, thirty".

Divisors: 1 2 5 10 37 74 185 370 109919 219838 549595 1099190 4067003 8134006 20335015 40670030