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931214413 = 2393389141
BaseRepresentation
bin110111100000010…
…011010001001101
32101220020121000201
4313200103101031
53401342330123
6232223053501
732035122553
oct6740232115
92356217021
10931214413
11438712198
1221ba41291
1311ac0535c
148b963bd3
1556b455ad
hex3781344d

931214413 has 4 divisors (see below), whose sum is σ = 931605948. Its totient is φ = 930822880.

The previous prime is 931214393. The next prime is 931214437. The reversal of 931214413 is 314412139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314412139 = 2313670093.

It can be written as a sum of positive squares in 2 ways, for example, as 82482724 + 848731689 = 9082^2 + 29133^2 .

It is a cyclic number.

It is not a de Polignac number, because 931214413 - 29 = 931213901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (931214443) 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, 192178 + ... + 196963.

It is an arithmetic number, because the mean of its divisors is an integer number (232901487).

Almost surely, 2931214413 is an apocalyptic number.

It is an amenable number.

931214413 is a deficient number, since it is larger than the sum of its proper divisors (391535).

931214413 is a wasteful number, since it uses less digits than its factorization.

931214413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391534.

The product of its digits is 2592, while the sum is 28.

The square root of 931214413 is about 30515.8059536366. The cubic root of 931214413 is about 976.5246933117.

The spelling of 931214413 in words is "nine hundred thirty-one million, two hundred fourteen thousand, four hundred thirteen".

Divisors: 1 2393 389141 931214413