Search a number
-
+
3749627401 = 13288432877
BaseRepresentation
bin1101111101111110…
…1100011000001001
3100200022120210210221
43133133230120021
530134401034101
61420023310041
7161630210212
oct33737543011
910608523727
103749627401
111654626623
128878ab321
13479aab550
14277dbc409
1516e2baaa1
hexdf7ec609

3749627401 has 4 divisors (see below), whose sum is σ = 4038060292. Its totient is φ = 3461194512.

The previous prime is 3749627393. The next prime is 3749627419. The reversal of 3749627401 is 1047269473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1047269473 = 2713864463.

It can be written as a sum of positive squares in 2 ways, for example, as 1499548176 + 2250079225 = 38724^2 + 47435^2 .

It is a cyclic number.

It is not a de Polignac number, because 3749627401 - 23 = 3749627393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3749627501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144216426 + ... + 144216451.

It is an arithmetic number, because the mean of its divisors is an integer number (1009515073).

Almost surely, 23749627401 is an apocalyptic number.

It is an amenable number.

3749627401 is a deficient number, since it is larger than the sum of its proper divisors (288432891).

3749627401 is a wasteful number, since it uses less digits than its factorization.

3749627401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288432890.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 3749627401 is about 61234.2012359106. The cubic root of 3749627401 is about 1553.5647956404.

The spelling of 3749627401 in words is "three billion, seven hundred forty-nine million, six hundred twenty-seven thousand, four hundred one".

Divisors: 1 13 288432877 3749627401