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7616401 = 13585877
BaseRepresentation
bin11101000011011110010001
3112022221201221
4131003132101
53422211101
6431125041
7121511152
oct35033621
915287657
107616401
114332351
122673781
131768960
141023929
15a06aa1
hex743791

7616401 has 4 divisors (see below), whose sum is σ = 8202292. Its totient is φ = 7030512.

The previous prime is 7616393. The next prime is 7616407. The reversal of 7616401 is 1046167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1046167 = 5319739.

It can be written as a sum of positive squares in 2 ways, for example, as 731025 + 6885376 = 855^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 7616401 - 23 = 7616393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7616407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292926 + ... + 292951.

It is an arithmetic number, because the mean of its divisors is an integer number (2050573).

Almost surely, 27616401 is an apocalyptic number.

It is an amenable number.

7616401 is a deficient number, since it is larger than the sum of its proper divisors (585891).

7616401 is a wasteful number, since it uses less digits than its factorization.

7616401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585890.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7616401 is about 2759.7827813073. The cubic root of 7616401 is about 196.7508423860.

The spelling of 7616401 in words is "seven million, six hundred sixteen thousand, four hundred one".

Divisors: 1 13 585877 7616401