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2505145242 = 23417524207
BaseRepresentation
bin1001010101010001…
…0111101110011010
320110120212120020010
42111110113232122
520112304121432
61052325542350
7116036245305
oct22524275632
96416776203
102505145242
1110760a8776
1259ab749b6
1330c011382
1419a9cdb3c
15e9de53cc
hex95517b9a

2505145242 has 8 divisors (see below), whose sum is σ = 5010290496. Its totient is φ = 835048412.

The previous prime is 2505145241. The next prime is 2505145243. The reversal of 2505145242 is 2425415052.

It is an interprime number because it is at equal distance from previous prime (2505145241) and next prime (2505145243).

It is a sphenic number, since it is the product of 3 distinct primes.

2505145242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2505145241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 208762098 + ... + 208762109.

It is an arithmetic number, because the mean of its divisors is an integer number (626286312).

Almost surely, 22505145242 is an apocalyptic number.

2505145242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2505145242 is a wasteful number, since it uses less digits than its factorization.

2505145242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417524212.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2505145242 is about 50051.4259736923. The cubic root of 2505145242 is about 1358.1392593048.

The spelling of 2505145242 in words is "two billion, five hundred five million, one hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 417524207 835048414 1252572621 2505145242