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1439976950 = 25228799539
BaseRepresentation
bin101010111010100…
…0100110111110110
310201100120102000122
41111311010313312
510422113230300
6354515411542
750453413346
oct12565046766
93640512018
101439976950
11679913aa5
123422b3bb2
1319c437989
14d935ad26
158663ec85
hex55d44df6

1439976950 has 12 divisors (see below), whose sum is σ = 2678357220. Its totient is φ = 575990760.

The previous prime is 1439976887. The next prime is 1439976971. The reversal of 1439976950 is 596799341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1439976892 and 1439976901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14399720 + ... + 14399819.

It is an arithmetic number, because the mean of its divisors is an integer number (223196435).

Almost surely, 21439976950 is an apocalyptic number.

1439976950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1439976950 is a deficient number, since it is larger than the sum of its proper divisors (1238380270).

1439976950 is a wasteful number, since it uses less digits than its factorization.

1439976950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799551 (or 28799546 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 1439976950 is about 37947.0282103882. The cubic root of 1439976950 is about 1129.2372093805.

The spelling of 1439976950 in words is "one billion, four hundred thirty-nine million, nine hundred seventy-six thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 28799539 57599078 143997695 287995390 719988475 1439976950