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7420395 = 35494693
BaseRepresentation
bin11100010011100111101011
3111221222212110
4130103213223
53344423040
6423013403
7120033543
oct34234753
914858773
107420395
114209064
12259a263
1316ca688
14db2323
159b8980
hex7139eb

7420395 has 8 divisors (see below), whose sum is σ = 11872656. Its totient is φ = 3957536.

The previous prime is 7420363. The next prime is 7420397. The reversal of 7420395 is 5930247.

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 7420395 - 25 = 7420363 is a prime.

7420395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7420397) 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, 247332 + ... + 247361.

It is an arithmetic number, because the mean of its divisors is an integer number (1484082).

Almost surely, 27420395 is an apocalyptic number.

7420395 is a deficient number, since it is larger than the sum of its proper divisors (4452261).

7420395 is a wasteful number, since it uses less digits than its factorization.

7420395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494701.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 7420395 is about 2724.0401979413. The cubic root of 7420395 is about 195.0483772148.

The spelling of 7420395 in words is "seven million, four hundred twenty thousand, three hundred ninety-five".

Divisors: 1 3 5 15 494693 1484079 2473465 7420395