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39872996 = 221492449
BaseRepresentation
bin1001100000011…
…0100111100100
32210000202110122
42120012213210
540201413441
63542341112
7662625542
oct230064744
983022418
1039872996
1120564199
121142a798
138350ab7
14541cd92
15377934b
hex26069e4

39872996 has 18 divisors (see below), whose sum is σ = 70405650. Its totient is φ = 19758592.

The previous prime is 39872983. The next prime is 39873017. The reversal of 39872996 is 69927893.

It can be written as a sum of positive squares in 3 ways, for example, as 6400 + 39866596 = 80^2 + 6314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88580 + ... + 89028.

It is an arithmetic number, because the mean of its divisors is an integer number (3911425).

Almost surely, 239872996 is an apocalyptic number.

It is an amenable number.

39872996 is a deficient number, since it is larger than the sum of its proper divisors (30532654).

39872996 is a wasteful number, since it uses less digits than its factorization.

39872996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 600 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 39872996 is about 6314.5067899243. The cubic root of 39872996 is about 341.6328492671.

The spelling of 39872996 in words is "thirty-nine million, eight hundred seventy-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 149 298 449 596 898 1796 22201 44402 66901 88804 133802 267604 9968249 19936498 39872996