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40102303 = 1712371907
BaseRepresentation
bin1001100011111…
…0100110011111
32210110102000111
42120332212133
540231233203
63551310451
7664602223
oct230764637
983412014
1040102303
11207004aa
121151b427
138401297
14547c783
1537c226d
hex263e99f

40102303 has 8 divisors (see below), whose sum is σ = 42517872. Its totient is φ = 37693056.

The previous prime is 40102301. The next prime is 40102319. The reversal of 40102303 is 30320104.

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 40102303 - 21 = 40102301 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 (40102301) 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, 20076 + ... + 21982.

It is an arithmetic number, because the mean of its divisors is an integer number (5314734).

Almost surely, 240102303 is an apocalyptic number.

40102303 is a deficient number, since it is larger than the sum of its proper divisors (2415569).

40102303 is a wasteful number, since it uses less digits than its factorization.

40102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40102303 is about 6332.6379179612. The cubic root of 40102303 is about 342.2865005750.

Adding to 40102303 its reverse (30320104), we get a palindrome (70422407).

The spelling of 40102303 in words is "forty million, one hundred two thousand, three hundred three".

Divisors: 1 17 1237 1907 21029 32419 2358959 40102303