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2057512254 = 2373999763
BaseRepresentation
bin111101010100011…
…0010010100111110
312022101120110012120
41322220302110332
513203210343004
6540055343410
7101662365000
oct17250622476
95271513176
102057512254
11966459456
12495081b66
1326a362b95
1415738a370
15c09733d9
hex7aa3253e

2057512254 has 32 divisors (see below), whose sum is σ = 4798867200. Its totient is φ = 587860056.

The previous prime is 2057512211. The next prime is 2057512277. The reversal of 2057512254 is 4522157502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497824 + ... + 501939.

It is an arithmetic number, because the mean of its divisors is an integer number (149964600).

Almost surely, 22057512254 is an apocalyptic number.

2057512254 is an abundant number, since it is smaller than the sum of its proper divisors (2741354946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057512254 is an equidigital number, since it uses as much as digits as its factorization.

2057512254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999789 (or 999775 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 2057512254 is about 45359.8087958933. The cubic root of 2057512254 is about 1271.8839202742.

Adding to 2057512254 its reverse (4522157502), we get a palindrome (6579669756).

The spelling of 2057512254 in words is "two billion, fifty-seven million, five hundred twelve thousand, two hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 999763 1999526 2999289 5998578 6998341 13996682 20995023 41990046 48988387 97976774 146965161 293930322 342918709 685837418 1028756127 2057512254