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40770049 = 163250123
BaseRepresentation
bin1001101110000…
…1101000000001
32211201022222211
42123201220001
540414120144
64013502121
71003353055
oct233415001
984638884
1040770049
1121017161
12117a1941
1385a61b8
1455b3c65
1538a5034
hex26e1a01

40770049 has 4 divisors (see below), whose sum is σ = 41020336. Its totient is φ = 40519764.

The previous prime is 40770043. The next prime is 40770077. The reversal of 40770049 is 94007704.

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.

It is a cyclic number.

It is not a de Polignac number, because 40770049 - 211 = 40768001 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 40770049.

It is not an unprimeable number, because it can be changed into a prime (40770043) 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, 124899 + ... + 125224.

It is an arithmetic number, because the mean of its divisors is an integer number (10255084).

Almost surely, 240770049 is an apocalyptic number.

It is an amenable number.

40770049 is a deficient number, since it is larger than the sum of its proper divisors (250287).

40770049 is a wasteful number, since it uses less digits than its factorization.

40770049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250286.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 40770049 is about 6385.1428331714. The cubic root of 40770049 is about 344.1758638587.

The spelling of 40770049 in words is "forty million, seven hundred seventy thousand, forty-nine".

Divisors: 1 163 250123 40770049