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7630953 = 311231241
BaseRepresentation
bin11101000111000001101001
3112100200200220
4131013001221
53423142303
6431320253
7121601451
oct35070151
915320626
107630953
114342280
122680089
131772475
141028d61
15a0b053
hex747069

7630953 has 8 divisors (see below), whose sum is σ = 11099616. Its totient is φ = 4624800.

The previous prime is 7630939. The next prime is 7630979. The reversal of 7630953 is 3590367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7630953 - 25 = 7630921 is a prime.

It is a super-3 number, since 3×76309533 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 231241 = 7630953 / (7 + 6 + 3 + 0 + 9 + 5 + 3).

7630953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7630253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115588 + ... + 115653.

It is an arithmetic number, because the mean of its divisors is an integer number (1387452).

Almost surely, 27630953 is an apocalyptic number.

It is an amenable number.

7630953 is a deficient number, since it is larger than the sum of its proper divisors (3468663).

7630953 is a wasteful number, since it uses less digits than its factorization.

7630953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231255.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 7630953 is about 2762.4179625828. The cubic root of 7630953 is about 196.8760676183.

The spelling of 7630953 in words is "seven million, six hundred thirty thousand, nine hundred fifty-three".

Divisors: 1 3 11 33 231241 693723 2543651 7630953