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4006506 = 23795393
BaseRepresentation
bin1111010010001001101010
321112112220010
433102021222
52011202011
6221512350
746024530
oct17221152
97475803
104006506
112297169
1214126b6
13aa381a
14764150
155421a6
hex3d226a

4006506 has 16 divisors (see below), whose sum is σ = 9157824. Its totient is φ = 1144704.

The previous prime is 4006489. The next prime is 4006517. The reversal of 4006506 is 6056004.

4006506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 47655 + ... + 47738.

It is an arithmetic number, because the mean of its divisors is an integer number (572364).

Almost surely, 24006506 is an apocalyptic number.

4006506 is an abundant number, since it is smaller than the sum of its proper divisors (5151318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4006506 is a wasteful number, since it uses less digits than its factorization.

4006506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95405.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4006506 is about 2001.6258391618. The cubic root of 4006506 is about 158.8261221718.

The spelling of 4006506 in words is "four million, six thousand, five hundred six".

Divisors: 1 2 3 6 7 14 21 42 95393 190786 286179 572358 667751 1335502 2003253 4006506