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3680525417 = 9737943561
BaseRepresentation
bin1101101101100000…
…0101110001101001
3100111111120001201012
43123120011301221
530014203303132
61405114233305
7160130643542
oct33330056151
910444501635
103680525417
111619619248
12868725835
134686956ba
1426cb514c9
151681bb0b2
hexdb605c69

3680525417 has 4 divisors (see below), whose sum is σ = 3718469076. Its totient is φ = 3642581760.

The previous prime is 3680525411. The next prime is 3680525419. The reversal of 3680525417 is 7145250863.

3680525417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7145250863 = 23310663081.

It can be written as a sum of positive squares in 2 ways, for example, as 2961427561 + 719097856 = 54419^2 + 26816^2 .

It is a cyclic number.

It is not a de Polignac number, because 3680525417 - 26 = 3680525353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3680525411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18971684 + ... + 18971877.

It is an arithmetic number, because the mean of its divisors is an integer number (929617269).

Almost surely, 23680525417 is an apocalyptic number.

It is an amenable number.

3680525417 is a deficient number, since it is larger than the sum of its proper divisors (37943659).

3680525417 is an equidigital number, since it uses as much as digits as its factorization.

3680525417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37943658.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 3680525417 is about 60667.3340192232. The cubic root of 3680525417 is about 1543.9619993030.

The spelling of 3680525417 in words is "three billion, six hundred eighty million, five hundred twenty-five thousand, four hundred seventeen".

Divisors: 1 97 37943561 3680525417