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2540002485 = 35612775959
BaseRepresentation
bin1001011101100101…
…0101110010110101
320120000110111101010
42113121111302311
520200220034420
61100013022433
7116641444026
oct22731256265
96500414333
102540002485
111093846509
125aa784a19
133162c7167
141a14a4c4d
15ececd4e0
hex97655cb5

2540002485 has 16 divisors (see below), whose sum is σ = 4130628480. Its totient is φ = 1332459840.

The previous prime is 2540002483. The next prime is 2540002519. The reversal of 2540002485 is 5842000452.

It is not a de Polignac number, because 2540002485 - 21 = 2540002483 is a prime.

It is a super-2 number, since 2×25400024852 = 12903225247612350450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540002481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387065 + ... + 1388894.

It is an arithmetic number, because the mean of its divisors is an integer number (258164280).

Almost surely, 22540002485 is an apocalyptic number.

It is an amenable number.

2540002485 is a deficient number, since it is larger than the sum of its proper divisors (1590625995).

2540002485 is a wasteful number, since it uses less digits than its factorization.

2540002485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776028.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 2540002485 is about 50398.4373269648. The cubic root of 2540002485 is about 1364.4094347173.

The spelling of 2540002485 in words is "two billion, five hundred forty million, two thousand, four hundred eighty-five".

Divisors: 1 3 5 15 61 183 305 915 2775959 8327877 13879795 41639385 169333499 508000497 846667495 2540002485