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7980153 = 315716943
BaseRepresentation
bin11110011100010001111001
3120000102201020
4132130101321
54020331103
6443013053
7124554516
oct36342171
916012636
107980153
114560675
12280a189
1318653ac
1410ba30d
15a79753
hex79c479

7980153 has 8 divisors (see below), whose sum is σ = 10708608. Its totient is φ = 5285904.

The previous prime is 7980151. The next prime is 7980179. The reversal of 7980153 is 3510897.

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

It is not a de Polignac number, because 7980153 - 21 = 7980151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7980151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8001 + ... + 8942.

It is an arithmetic number, because the mean of its divisors is an integer number (1338576).

Almost surely, 27980153 is an apocalyptic number.

It is an amenable number.

7980153 is a deficient number, since it is larger than the sum of its proper divisors (2728455).

7980153 is a wasteful number, since it uses less digits than its factorization.

7980153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 7980153 is about 2824.9164589418. The cubic root of 7980153 is about 199.8344713725.

The spelling of 7980153 in words is "seven million, nine hundred eighty thousand, one hundred fifty-three".

Divisors: 1 3 157 471 16943 50829 2660051 7980153