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7880053 = 23397863
BaseRepresentation
bin11110000011110101110101
3112211100101211
4132003311311
54004130203
6440521421
7123656626
oct36036565
915740354
107880053
1144a2445
122780271
13182b96c
141091a4d
15a59c6d
hex783d75

7880053 has 8 divisors (see below), whose sum is σ = 8252928. Its totient is φ = 7509744.

The previous prime is 7880021. The next prime is 7880063. The reversal of 7880053 is 3500887.

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

It is a cyclic number.

It is not a de Polignac number, because 7880053 - 25 = 7880021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7879997 and 7880024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7880063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8700 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (1031616).

Almost surely, 27880053 is an apocalyptic number.

It is an amenable number.

7880053 is a deficient number, since it is larger than the sum of its proper divisors (372875).

7880053 is a wasteful number, since it uses less digits than its factorization.

7880053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7880053 is about 2807.1432097419. The cubic root of 7880053 is about 198.9954040503.

The spelling of 7880053 in words is "seven million, eight hundred eighty thousand, fifty-three".

Divisors: 1 23 397 863 9131 19849 342611 7880053