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7390141 = 11671831
BaseRepresentation
bin11100001100001110111101
3111220110100221
4130030032331
53342441031
6422221341
7116546413
oct34141675
914813327
107390141
114198360
122584851
1316b9985
14da52b3
159aea11
hex70c3bd

7390141 has 4 divisors (see below), whose sum is σ = 8061984. Its totient is φ = 6718300.

The previous prime is 7390129. The next prime is 7390151. The reversal of 7390141 is 1410937.

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.

It is a cyclic number.

It is not a de Polignac number, because 7390141 - 27 = 7390013 is a prime.

It is a super-2 number, since 2×73901412 = 109228367999762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7390111) 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, 335905 + ... + 335926.

It is an arithmetic number, because the mean of its divisors is an integer number (2015496).

Almost surely, 27390141 is an apocalyptic number.

It is an amenable number.

7390141 is a deficient number, since it is larger than the sum of its proper divisors (671843).

7390141 is a wasteful number, since it uses less digits than its factorization.

7390141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671842.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 7390141 is about 2718.4813775342. The cubic root of 7390141 is about 194.7829361995.

The spelling of 7390141 in words is "seven million, three hundred ninety thousand, one hundred forty-one".

Divisors: 1 11 671831 7390141