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40102283 = 1310392969
BaseRepresentation
bin1001100011111…
…0100110001011
32210110101222202
42120332212023
540231233113
63551310415
7664602164
oct230764613
983411882
1040102283
1120700491
121151b40b
138401280
14547c76b
1537c2258
hex263e98b

40102283 has 8 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 36969408.

The previous prime is 40102259. The next prime is 40102289. The reversal of 40102283 is 38220104.

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 40102283 - 212 = 40098187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40102289) 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, 12023 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 240102283 is an apocalyptic number.

40102283 is a deficient number, since it is larger than the sum of its proper divisors (3140917).

40102283 is a wasteful number, since it uses less digits than its factorization.

40102283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021.

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

The square root of 40102283 is about 6332.6363388402. The cubic root of 40102283 is about 342.2864436728.

Adding to 40102283 its reverse (38220104), we get a palindrome (78322387).

The spelling of 40102283 in words is "forty million, one hundred two thousand, two hundred eighty-three".

Divisors: 1 13 1039 2969 13507 38597 3084791 40102283