Search a number
-
+
3749970031 = 12473300647
BaseRepresentation
bin1101111110000100…
…0000000001101111
3100200100020012210221
43133201000001233
530134443020111
61420034512211
7161633135143
oct33741000157
910610205727
103749970031
11165483aa95
12887a35667
13479b9b4a2
1427806b223
1516e337371
hexdf84006f

3749970031 has 4 divisors (see below), whose sum is σ = 3750283152. Its totient is φ = 3749656912.

The previous prime is 3749969999. The next prime is 3749970053. The reversal of 3749970031 is 1300799473.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3749970031 - 25 = 3749969999 is a prime.

It is a super-2 number, since 2×37499700312 = 28124550466796281922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3749970031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749971031) 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, 137851 + ... + 162796.

It is an arithmetic number, because the mean of its divisors is an integer number (937570788).

Almost surely, 23749970031 is an apocalyptic number.

3749970031 is a deficient number, since it is larger than the sum of its proper divisors (313121).

3749970031 is a wasteful number, since it uses less digits than its factorization.

3749970031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313120.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 3749970031 is about 61236.9988732302. The cubic root of 3749970031 is about 1553.6121142703.

The spelling of 3749970031 in words is "three billion, seven hundred forty-nine million, nine hundred seventy thousand, thirty-one".

Divisors: 1 12473 300647 3749970031