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2528082775 = 52531907987
BaseRepresentation
bin1001011010101111…
…0111101101010111
320112012000220121101
42112223313231113
520134142122100
61054505330531
7116435230501
oct22653675527
96465026541
102528082775
111088045009
125a6796a47
133139b288a
1419da80d71
15ebe2686a
hex96af7b57

2528082775 has 12 divisors (see below), whose sum is σ = 3193971912. Its totient is φ = 1984305440.

The previous prime is 2528082763. The next prime is 2528082787. The reversal of 2528082775 is 5772808252.

It is an interprime number because it is at equal distance from previous prime (2528082763) and next prime (2528082787).

It is a de Polignac number, because none of the positive numbers 2k-2528082775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952669 + ... + 955318.

It is an arithmetic number, because the mean of its divisors is an integer number (266164326).

Almost surely, 22528082775 is an apocalyptic number.

2528082775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2528082775 is a deficient number, since it is larger than the sum of its proper divisors (665889137).

2528082775 is a wasteful number, since it uses less digits than its factorization.

2528082775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908050 (or 1908045 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 2528082775 is about 50280.0435063455. The cubic root of 2528082775 is about 1362.2717896267.

The spelling of 2528082775 in words is "two billion, five hundred twenty-eight million, eighty-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 53 265 1325 1907987 9539935 47699675 101123311 505616555 2528082775