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7630660 = 225381533
BaseRepresentation
bin11101000110111101000100
3112100200022001
4131012331010
53423140120
6431315044
7121600552
oct35067504
915320261
107630660
114342034
12267ba84
1317722ab
141028bd2
15a0ae0a
hex746f44

7630660 has 12 divisors (see below), whose sum is σ = 16024428. Its totient is φ = 3052256.

The previous prime is 7630657. The next prime is 7630663. The reversal of 7630660 is 660367.

7630660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7630657) and next prime (7630663).

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 5692996 = 1392^2 + 2386^2 .

It is not an unprimeable number, because it can be changed into a prime (7630663) 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, 190747 + ... + 190786.

It is an arithmetic number, because the mean of its divisors is an integer number (1335369).

Almost surely, 27630660 is an apocalyptic number.

It is an amenable number.

7630660 is an abundant number, since it is smaller than the sum of its proper divisors (8393768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7630660 is a wasteful number, since it uses less digits than its factorization.

7630660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381542 (or 381540 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 7630660 is about 2762.3649288246. The cubic root of 7630660 is about 196.8735478183.

The spelling of 7630660 in words is "seven million, six hundred thirty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 381533 763066 1526132 1907665 3815330 7630660