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40190339 = 7419881
BaseRepresentation
bin1001100101010…
…0000110000011
32210121212210002
42121110012003
540242042324
63553230215
7665420000
oct231240603
983555702
1040190339
1120760662
121156236b
138432387
1454a28a7
1537dd3ae
hex2654183

40190339 has 20 divisors (see below), whose sum is σ = 49409640. Its totient is φ = 32598720.

The previous prime is 40190327. The next prime is 40190341. The reversal of 40190339 is 93309104.

It is not a de Polignac number, because 40190339 - 24 = 40190323 is a prime.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40190309) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45179 + ... + 46059.

It is an arithmetic number, because the mean of its divisors is an integer number (2470482).

Almost surely, 240190339 is an apocalyptic number.

40190339 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40190339 is a deficient number, since it is larger than the sum of its proper divisors (9219301).

40190339 is an frugal number, since it uses more digits than its factorization.

40190339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 40190339 is about 6339.5850810601. The cubic root of 40190339 is about 342.5367896972.

The spelling of 40190339 in words is "forty million, one hundred ninety thousand, three hundred thirty-nine".

Divisors: 1 7 19 49 133 343 881 931 2401 6167 6517 16739 43169 45619 117173 302183 820211 2115281 5741477 40190339