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38001970 = 2517317211
BaseRepresentation
bin1001000011110…
…1110100110010
32122111200220101
42100331310302
534212030340
63434303014
7641003626
oct220756462
978450811
1038001970
111a4a6496
1210887a6a
137b47296
145093186
153509c9a
hex243dd32

38001970 has 32 divisors (see below), whose sum is σ = 74774016. Its totient is φ = 13843200.

The previous prime is 38001961. The next prime is 38001973. The reversal of 38001970 is 7910083.

38001970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38001973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (2336688).

Almost surely, 238001970 is an apocalyptic number.

38001970 is a deficient number, since it is larger than the sum of its proper divisors (36772046).

38001970 is a wasteful number, since it uses less digits than its factorization.

38001970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 38001970 is about 6164.5737889979. The cubic root of 38001970 is about 336.2033503089.

The spelling of 38001970 in words is "thirty-eight million, one thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2635 5270 7211 14422 36055 72110 122587 223541 245174 447082 612935 1117705 1225870 2235410 3800197 7600394 19000985 38001970