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7650485 = 51530097
BaseRepresentation
bin11101001011110010110101
3112101200111022
4131023302311
53424303420
6431550525
7122012423
oct35136265
915350438
107650485
114355a17
12268b445
13177b31b
141032113
15a11c25
hex74bcb5

7650485 has 4 divisors (see below), whose sum is σ = 9180588. Its totient is φ = 6120384.

The previous prime is 7650479. The next prime is 7650499. The reversal of 7650485 is 5840567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5840567 = 6195747.

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 1779556 = 2423^2 + 1334^2 .

It is a cyclic number.

It is not a de Polignac number, because 7650485 - 216 = 7584949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765044 + ... + 765053.

It is an arithmetic number, because the mean of its divisors is an integer number (2295147).

Almost surely, 27650485 is an apocalyptic number.

It is an amenable number.

7650485 is a deficient number, since it is larger than the sum of its proper divisors (1530103).

7650485 is a wasteful number, since it uses less digits than its factorization.

7650485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530102.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 7650485 is about 2765.9510118583. The cubic root of 7650485 is about 197.0438975587.

The spelling of 7650485 in words is "seven million, six hundred fifty thousand, four hundred eighty-five".

Divisors: 1 5 1530097 7650485