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3742249 = 7534607
BaseRepresentation
bin1110010001101000101001
321001010101211
432101220221
51424222444
6212113121
743544230
oct16215051
97033354
103742249
112126675
1213057a1
13a10464
146d5b17
154ddc34
hex391a29

3742249 has 4 divisors (see below), whose sum is σ = 4276864. Its totient is φ = 3207636.

The previous prime is 3742243. The next prime is 3742267. The reversal of 3742249 is 9422473.

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: 9422473 = 91110343.

It is a cyclic number.

It is not a de Polignac number, because 3742249 - 23 = 3742241 is a prime.

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 3742249.

It is not an unprimeable number, because it can be changed into a prime (3742241) 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, 267297 + ... + 267310.

It is an arithmetic number, because the mean of its divisors is an integer number (1069216).

Almost surely, 23742249 is an apocalyptic number.

It is an amenable number.

3742249 is a deficient number, since it is larger than the sum of its proper divisors (534615).

3742249 is an equidigital number, since it uses as much as digits as its factorization.

3742249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534614.

The product of its digits is 12096, while the sum is 31.

The square root of 3742249 is about 1934.4893383009. The cubic root of 3742249 is about 155.2545107569.

The spelling of 3742249 in words is "three million, seven hundred forty-two thousand, two hundred forty-nine".

Divisors: 1 7 534607 3742249