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40314949 = 97141519
BaseRepresentation
bin1001100111001…
…0100001000101
32210212012201021
42121302201011
540310034244
64000031141
7666446203
oct231624105
983765637
1040314949
1120836244
12116024b1
138476ccc
1454d6073
153815284
hex2672845

40314949 has 4 divisors (see below), whose sum is σ = 40357440. Its totient is φ = 40272460.

The previous prime is 40314919. The next prime is 40314971. The reversal of 40314949 is 94941304.

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 40314949 - 211 = 40312901 is a prime.

It is a super-2 number, since 2×403149492 = 3250590225745202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40314919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19789 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (10089360).

Almost surely, 240314949 is an apocalyptic number.

It is an amenable number.

40314949 is a deficient number, since it is larger than the sum of its proper divisors (42491).

40314949 is an equidigital number, since it uses as much as digits as its factorization.

40314949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42490.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40314949 is about 6349.4054052328. The cubic root of 40314949 is about 342.8904358130.

The spelling of 40314949 in words is "forty million, three hundred fourteen thousand, nine hundred forty-nine".

Divisors: 1 971 41519 40314949