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914439149 = 1370341473
BaseRepresentation
bin110110100000010…
…011101111101101
32100201200022200122
4312200103233231
53333044023044
6230423334325
731442414231
oct6640235755
92321608618
10914439149
1142a1a4738
122162b13a5
131175b0970
14896385c1
155542edee
hex36813bed

914439149 has 4 divisors (see below), whose sum is σ = 984780636. Its totient is φ = 844097664.

The previous prime is 914439143. The next prime is 914439167. The reversal of 914439149 is 941934419.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 248283049 + 666156100 = 15757^2 + 25810^2 .

It is a cyclic number.

It is not a de Polignac number, because 914439149 - 228 = 646003693 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 (914439143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35170724 + ... + 35170749.

It is an arithmetic number, because the mean of its divisors is an integer number (246195159).

Almost surely, 2914439149 is an apocalyptic number.

It is an amenable number.

914439149 is a deficient number, since it is larger than the sum of its proper divisors (70341487).

914439149 is a wasteful number, since it uses less digits than its factorization.

914439149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70341486.

The product of its digits is 139968, while the sum is 44.

The square root of 914439149 is about 30239.6949224029. The cubic root of 914439149 is about 970.6252917332.

The spelling of 914439149 in words is "nine hundred fourteen million, four hundred thirty-nine thousand, one hundred forty-nine".

Divisors: 1 13 70341473 914439149