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3748961 = 19918839
BaseRepresentation
bin1110010011010001100001
321001110121102
432103101201
51424431321
6212204145
743602626
oct16232141
97043542
103748961
112130717
121309655
13a13528
146d834d
154e0c0b
hex393461

3748961 has 4 divisors (see below), whose sum is σ = 3768000. Its totient is φ = 3729924.

The previous prime is 3748957. The next prime is 3748963. The reversal of 3748961 is 1698473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1698473 = 7242639.

It is a cyclic number.

It is not a de Polignac number, because 3748961 - 22 = 3748957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748963) 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, 9221 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (942000).

Almost surely, 23748961 is an apocalyptic number.

It is an amenable number.

3748961 is a deficient number, since it is larger than the sum of its proper divisors (19039).

3748961 is a wasteful number, since it uses less digits than its factorization.

3748961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19038.

The product of its digits is 36288, while the sum is 38.

The square root of 3748961 is about 1936.2233858726. The cubic root of 3748961 is about 155.3472754631.

The spelling of 3748961 in words is "three million, seven hundred forty-eight thousand, nine hundred sixty-one".

Divisors: 1 199 18839 3748961