Search a number
-
+
3749490812 = 221549605147
BaseRepresentation
bin1101111101111100…
…1011000001111100
3100200022022212110002
43133133023001330
530134332201222
61420020333432
7161626101044
oct33737130174
910608285402
103749490812
111654542a41
12887844278
13479a61322
14277d84724
1516e290392
hexdf7cb07c

3749490812 has 12 divisors (see below), whose sum is σ = 6565855800. Its totient is φ = 1873532016.

The previous prime is 3749490809. The next prime is 3749490817. The reversal of 3749490812 is 2180949473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749490817) 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, 296378 + ... + 308769.

It is an arithmetic number, because the mean of its divisors is an integer number (547154650).

Almost surely, 23749490812 is an apocalyptic number.

It is an amenable number.

3749490812 is a deficient number, since it is larger than the sum of its proper divisors (2816364988).

3749490812 is a wasteful number, since it uses less digits than its factorization.

3749490812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606700 (or 606698 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3749490812 is about 61233.0859258293. The cubic root of 3749490812 is about 1553.5459313271.

The spelling of 3749490812 in words is "three billion, seven hundred forty-nine million, four hundred ninety thousand, eight hundred twelve".

Divisors: 1 2 4 1549 3098 6196 605147 1210294 2420588 937372703 1874745406 3749490812