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38040970 = 25111731999
BaseRepresentation
bin1001000100011…
…1010110001010
32122120200101211
42101013112022
534214302340
63435203334
7641225422
oct221072612
978520354
1038040970
111a522820
12108a654a
137b5bc66
1450a3482
1535165ea
hex244758a

38040970 has 32 divisors (see below), whose sum is σ = 75168000. Its totient is φ = 13746240.

The previous prime is 38040931. The next prime is 38040973. The reversal of 38040970 is 7904083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38040973) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18031 + ... + 20029.

It is an arithmetic number, because the mean of its divisors is an integer number (2349000).

Almost surely, 238040970 is an apocalyptic number.

38040970 is a deficient number, since it is larger than the sum of its proper divisors (37127030).

38040970 is a wasteful number, since it uses less digits than its factorization.

38040970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 38040970 is about 6167.7362135552. The cubic root of 38040970 is about 336.3183219608.

The spelling of 38040970 in words is "thirty-eight million, forty thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 173 346 865 1730 1903 1999 3806 3998 9515 9995 19030 19990 21989 43978 109945 219890 345827 691654 1729135 3458270 3804097 7608194 19020485 38040970