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3908201 = 113173157
BaseRepresentation
bin1110111010001001101001
321100120001012
432322021221
52000030301
6215433305
745135113
oct16721151
97316035
103908201
11222a320
121385835
13a6ab5b
1473a3b3
15522ebb
hex3ba269

3908201 has 16 divisors (see below), whose sum is σ = 4489728. Its totient is φ = 3369600.

The previous prime is 3908173. The next prime is 3908207. The reversal of 3908201 is 1028093.

It is a cyclic number.

It is not a de Polignac number, because 3908201 - 218 = 3646057 is a prime.

It is a super-3 number, since 3×39082013 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3908207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24815 + ... + 24971.

It is an arithmetic number, because the mean of its divisors is an integer number (280608).

Almost surely, 23908201 is an apocalyptic number.

3908201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3908201 is a deficient number, since it is larger than the sum of its proper divisors (581527).

3908201 is a wasteful number, since it uses less digits than its factorization.

3908201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3908201 is about 1976.9170442889. The cubic root of 3908201 is about 157.5163466699.

The spelling of 3908201 in words is "three million, nine hundred eight thousand, two hundred one".

Divisors: 1 11 31 73 157 341 803 1727 2263 4867 11461 24893 53537 126071 355291 3908201