Search a number
-
+
3849972 = 223745833
BaseRepresentation
bin1110101011111011110100
321020121011120
432223323310
51441144342
6214303540
744503260
oct16537364
97217146
103849972
11219a5a5
121357bb0
13a4a4b9
147230a0
15510aec
hex3abef4

3849972 has 24 divisors (see below), whose sum is σ = 10266816. Its totient is φ = 1099968.

The previous prime is 3849949. The next prime is 3849977. The reversal of 3849972 is 2799483.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22833 + ... + 23000.

It is an arithmetic number, because the mean of its divisors is an integer number (427784).

Almost surely, 23849972 is an apocalyptic number.

It is an amenable number.

3849972 is an abundant number, since it is smaller than the sum of its proper divisors (6416844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3849972 is a wasteful number, since it uses less digits than its factorization.

3849972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45847 (or 45845 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 3849972 is about 1962.1345519612. The cubic root of 3849972 is about 156.7301407704.

The spelling of 3849972 in words is "three million, eight hundred forty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 45833 91666 137499 183332 274998 320831 549996 641662 962493 1283324 1924986 3849972