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10780345 = 57093041
BaseRepresentation
bin101001000111…
…111010111001
3202021200212001
4221013322321
510224432340
61023021001
7160426402
oct51077271
922250761
1010780345
1160a3484
12373a761
132305b04
1416089a9
15e2e29a
hexa47eb9

10780345 has 8 divisors (see below), whose sum is σ = 12958920. Its totient is φ = 8609280.

The previous prime is 10780337. The next prime is 10780361. The reversal of 10780345 is 54308701.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 8856576 = 1387^2 + 2976^2 .

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

It is not a de Polignac number, because 10780345 - 23 = 10780337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (1619865).

Almost surely, 210780345 is an apocalyptic number.

It is an amenable number.

10780345 is a deficient number, since it is larger than the sum of its proper divisors (2178575).

10780345 is an equidigital number, since it uses as much as digits as its factorization.

10780345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 10780345 is about 3283.3435702040. The cubic root of 10780345 is about 220.9077165668.

The spelling of 10780345 in words is "ten million, seven hundred eighty thousand, three hundred forty-five".

Divisors: 1 5 709 3041 3545 15205 2156069 10780345