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3900007 = 29181743
BaseRepresentation
bin1110111000001001100111
321100010210201
432320021213
51444300012
6215331331
745102166
oct16701147
97303721
103900007
112224151
121380b47
13a671c7
147373dd
15520857
hex3b8267

3900007 has 8 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 3739680.

The previous prime is 3899989. The next prime is 3900067. The reversal of 3900007 is 7000093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3900007 - 215 = 3867239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878 + ... + 5620.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 23900007 is an apocalyptic number.

3900007 is a deficient number, since it is larger than the sum of its proper divisors (162233).

3900007 is a wasteful number, since it uses less digits than its factorization.

3900007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 3900007 is about 1974.8435381062. The cubic root of 3900007 is about 157.4061858377.

The spelling of 3900007 in words is "three million, nine hundred thousand, seven".

Divisors: 1 29 181 743 5249 21547 134483 3900007