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3842901 = 321725117
BaseRepresentation
bin1110101010001101010101
321020020110200
432222031111
51440433101
6214211113
744443536
oct16521525
97206420
103842901
112195257
121353a99
13a4720a
1472068d
1550d986
hex3aa355

3842901 has 12 divisors (see below), whose sum is σ = 5877612. Its totient is φ = 2411136.

The previous prime is 3842899. The next prime is 3842903. The reversal of 3842901 is 1092483.

It is an interprime number because it is at equal distance from previous prime (3842899) and next prime (3842903).

It can be written as a sum of positive squares in 2 ways, for example, as 2643876 + 1199025 = 1626^2 + 1095^2 .

It is not a de Polignac number, because 3842901 - 21 = 3842899 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12406 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (489801).

Almost surely, 23842901 is an apocalyptic number.

It is an amenable number.

3842901 is a deficient number, since it is larger than the sum of its proper divisors (2034711).

3842901 is a wasteful number, since it uses less digits than its factorization.

3842901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25140 (or 25137 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3842901 is about 1960.3318596605. The cubic root of 3842901 is about 156.6341298560.

The spelling of 3842901 in words is "three million, eight hundred forty-two thousand, nine hundred one".

Divisors: 1 3 9 17 51 153 25117 75351 226053 426989 1280967 3842901