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3726420761 = 72232387201
BaseRepresentation
bin1101111000011100…
…1010101100011001
3100121200220210021202
43132013022230121
530112430431021
61413434043545
7161226024320
oct33607125431
910550823252
103726420761
111642516088
1287bb795b5
134750446cb
14274c9b0b7
1516c234a0b
hexde1cab19

3726420761 has 8 divisors (see below), whose sum is σ = 4277865984. Its totient is φ = 3179750400.

The previous prime is 3726420713. The next prime is 3726420779. The reversal of 3726420761 is 1670246273.

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

It is a cyclic number.

It is not a de Polignac number, because 3726420761 - 214 = 3726404377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3726420781) 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 7 ways as a sum of consecutive naturals, for example, 1192040 + ... + 1195161.

It is an arithmetic number, because the mean of its divisors is an integer number (534733248).

Almost surely, 23726420761 is an apocalyptic number.

It is an amenable number.

3726420761 is a deficient number, since it is larger than the sum of its proper divisors (551445223).

3726420761 is a wasteful number, since it uses less digits than its factorization.

3726420761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387431.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 3726420761 is about 61044.4162966606. The cubic root of 3726420761 is about 1550.3531295316.

The spelling of 3726420761 in words is "three billion, seven hundred twenty-six million, four hundred twenty thousand, seven hundred sixty-one".

Divisors: 1 7 223 1561 2387201 16710407 532345823 3726420761