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40030111 = 116195879
BaseRepresentation
bin1001100010110…
…0111110011111
32210022201222201
42120230332133
540221430421
63545552331
7664151602
oct230547637
983281881
1040030111
1120661240
12114a56a7
1383a7474
145460339
1537aab91
hex262cf9f

40030111 has 8 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 36326040.

The previous prime is 40030103. The next prime is 40030117. The reversal of 40030111 is 11103004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40030111 - 23 = 40030103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870 + ... + 9748.

It is an arithmetic number, because the mean of its divisors is an integer number (5468400).

Almost surely, 240030111 is an apocalyptic number.

40030111 is a deficient number, since it is larger than the sum of its proper divisors (3717089).

40030111 is a wasteful number, since it uses less digits than its factorization.

40030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 40030111 is about 6326.9353560788. The cubic root of 40030111 is about 342.0809829541.

Adding to 40030111 its reverse (11103004), we get a palindrome (51133115).

The spelling of 40030111 in words is "forty million, thirty thousand, one hundred eleven".

Divisors: 1 11 619 5879 6809 64669 3639101 40030111