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2540005708 = 223153386489
BaseRepresentation
bin1001011101100101…
…0110100101001100
320120000110122210111
42113121112211030
520200220140313
61100013045404
7116641456312
oct22731264514
96500418714
102540005708
111093848979
125aa786864
133162c8776
141a14a60b2
15ecece43d
hex9765694c

2540005708 has 24 divisors (see below), whose sum is σ = 4674983040. Its totient is φ = 1205842560.

The previous prime is 2540005661. The next prime is 2540005729. The reversal of 2540005708 is 8075000452.

2540005708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 2540005708.

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, 186673 + ... + 199816.

It is an arithmetic number, because the mean of its divisors is an integer number (194790960).

Almost surely, 22540005708 is an apocalyptic number.

It is an amenable number.

2540005708 is a deficient number, since it is larger than the sum of its proper divisors (2134977332).

2540005708 is a wasteful number, since it uses less digits than its factorization.

2540005708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386577 (or 386575 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2540005708 is about 50398.4693021524. The cubic root of 2540005708 is about 1364.4100118152.

The spelling of 2540005708 in words is "two billion, five hundred forty million, five thousand, seven hundred eight".

Divisors: 1 2 4 31 53 62 106 124 212 1643 3286 6572 386489 772978 1545956 11981159 20483917 23962318 40967834 47924636 81935668 635001427 1270002854 2540005708