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40103430 = 2351336781
BaseRepresentation
bin1001100011111…
…0111000000110
32210110110120020
42120332320012
540231302210
63551320010
7664605423
oct230767006
983413506
1040103430
1120701334
1211520006
138401953
14547cd4a
1537c2770
hex263ee06

40103430 has 16 divisors (see below), whose sum is σ = 96248304. Its totient is φ = 10694240.

The previous prime is 40103419. The next prime is 40103431. The reversal of 40103430 is 3430104.

40103430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103431) 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, 668361 + ... + 668420.

It is an arithmetic number, because the mean of its divisors is an integer number (6015519).

Almost surely, 240103430 is an apocalyptic number.

40103430 is an abundant number, since it is smaller than the sum of its proper divisors (56144874).

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

40103430 is a wasteful number, since it uses less digits than its factorization.

40103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336791.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40103430 is about 6332.7269007908. The cubic root of 40103430 is about 342.2897069850.

Adding to 40103430 its reverse (3430104), we get a palindrome (43533534).

The spelling of 40103430 in words is "forty million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1336781 2673562 4010343 6683905 8020686 13367810 20051715 40103430