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3748868 = 221376841
BaseRepresentation
bin1110010011010000000100
321001110110222
432103100010
51424430433
6212203512
743602434
oct16232004
97043428
103748868
112130642
121309598
13a13486
146d82c4
154e0b98
hex393404

3748868 has 12 divisors (see below), whose sum is σ = 6609372. Its totient is φ = 1860480.

The previous prime is 3748867. The next prime is 3748879. The reversal of 3748868 is 8688473.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 1214404 = 1592^2 + 1102^2 .

It is a super-2 number, since 2×37488682 = 28108022562848, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3748867) 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, 2873 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (550781).

Almost surely, 23748868 is an apocalyptic number.

It is an amenable number.

3748868 is a deficient number, since it is larger than the sum of its proper divisors (2860504).

3748868 is a wasteful number, since it uses less digits than its factorization.

3748868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6980 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 3748868 is about 1936.1993698997. The cubic root of 3748868 is about 155.3459908924.

The spelling of 3748868 in words is "three million, seven hundred forty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 137 274 548 6841 13682 27364 937217 1874434 3748868