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7238001 = 32412667
BaseRepresentation
bin11011100111000101110001
3111121201200010
4123213011301
53323104001
6415045133
7115344021
oct33470561
914551603
107238001
1140a4021
1225107a9
131665654
14d65a81
1597e8d6
hex6e7171

7238001 has 4 divisors (see below), whose sum is σ = 9650672. Its totient is φ = 4825332.

The previous prime is 7237987. The next prime is 7238041. The reversal of 7238001 is 1008327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1008327 = 3336109.

It is not a de Polignac number, because 7238001 - 25 = 7237969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7238041) 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 3 ways as a sum of consecutive naturals, for example, 1206331 + ... + 1206336.

It is an arithmetic number, because the mean of its divisors is an integer number (2412668).

Almost surely, 27238001 is an apocalyptic number.

It is an amenable number.

7238001 is a deficient number, since it is larger than the sum of its proper divisors (2412671).

7238001 is a wasteful number, since it uses less digits than its factorization.

7238001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412670.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 7238001 is about 2690.3533225210. The cubic root of 7238001 is about 193.4369991670.

The spelling of 7238001 in words is "seven million, two hundred thirty-eight thousand, one".

Divisors: 1 3 2412667 7238001