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40348001 = 1919311003
BaseRepresentation
bin1001100111101…
…0100101100001
32210220220001102
42121322211201
540312114001
64000444145
7666644441
oct231724541
983826042
1040348001
1120859061
1211619655
138489075
145504121
15381ee6b
hex267a961

40348001 has 8 divisors (see below), whose sum is σ = 42695520. Its totient is φ = 38022912.

The previous prime is 40347943. The next prime is 40348013. The reversal of 40348001 is 10084304.

40348001 = 1112 + 1122 + ... + 4962.

40348001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40348001 is a prime.

It is a super-2 number, since 2×403480012 = 3255922369392002, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40348201) by changing a digit.

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, 1835 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (5336940).

Almost surely, 240348001 is an apocalyptic number.

It is an amenable number.

40348001 is a deficient number, since it is larger than the sum of its proper divisors (2347519).

40348001 is a wasteful number, since it uses less digits than its factorization.

40348001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40348001 is about 6352.0076353858. The cubic root of 40348001 is about 342.9841158598.

The spelling of 40348001 in words is "forty million, three hundred forty-eight thousand, one".

Divisors: 1 19 193 3667 11003 209057 2123579 40348001