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6980675 = 521347457
BaseRepresentation
bin11010101000010001000011
3111010122200112
4122220101003
53241340200
6405341535
7113222552
oct32502103
914118615
106980675
113a38759
1224078ab
1315a54a0
14cd9d99
1592d535
hex6a8443

6980675 has 24 divisors (see below), whose sum is σ = 9541056. Its totient is φ = 5034240.

The previous prime is 6980669. The next prime is 6980681. The reversal of 6980675 is 5760896.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6980669) and next prime (6980681).

It is not a de Polignac number, because 6980675 - 28 = 6980419 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15047 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (397544).

Almost surely, 26980675 is an apocalyptic number.

6980675 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6980675 is a deficient number, since it is larger than the sum of its proper divisors (2560381).

6980675 is a wasteful number, since it uses less digits than its factorization.

6980675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6980675 is about 2642.0967052703. The cubic root of 6980675 is about 191.1169208192.

Adding to 6980675 its sum of digits (41), we get a triangular number (6980716 = T3736).

The spelling of 6980675 in words is "six million, nine hundred eighty thousand, six hundred seventy-five".

Divisors: 1 5 13 25 47 65 235 325 457 611 1175 2285 3055 5941 11425 15275 21479 29705 107395 148525 279227 536975 1396135 6980675