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7439343028 = 2213143064289
BaseRepresentation
bin1101110110110101…
…10101110110110100
3201012110102210010021
412323122311312310
5110213432434103
63230110534524
7352232241505
oct67332656664
921173383107
107439343028
113178351587
121537507444
13917341030
14508042bac
152d819ebbd
hex1bb6b5db4

7439343028 has 12 divisors (see below), whose sum is σ = 14020300420. Its totient is φ = 3433542912.

The previous prime is 7439343019. The next prime is 7439343029. The reversal of 7439343028 is 8203439347.

It can be written as a sum of positive squares in 2 ways, for example, as 1672155664 + 5767187364 = 40892^2 + 75942^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7439343029) 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, 71532093 + ... + 71532196.

Almost surely, 27439343028 is an apocalyptic number.

It is an amenable number.

7439343028 is a deficient number, since it is larger than the sum of its proper divisors (6580957392).

7439343028 is a wasteful number, since it uses less digits than its factorization.

7439343028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143064306 (or 143064304 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 7439343028 is about 86251.6262339441. The cubic root of 7439343028 is about 1952.1425521425.

The spelling of 7439343028 in words is "seven billion, four hundred thirty-nine million, three hundred forty-three thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 143064289 286128578 572257156 1859835757 3719671514 7439343028