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1399380514 = 272191315737
BaseRepresentation
bin101001101101000…
…1101101000100010
310121112011220011221
41103122031220202
510331220134024
6350505325254
746451352400
oct12332155042
93545156157
101399380514
11658a06324
1233079682a
13193bc280c
14d3bd0470
1582cc13e4
hex5368da22

1399380514 has 48 divisors (see below), whose sum is σ = 2590362720. Its totient is φ = 563734080.

The previous prime is 1399380511. The next prime is 1399380523. The reversal of 1399380514 is 4150839931.

It is not an unprimeable number, because it can be changed into a prime (1399380511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241054 + ... + 246790.

It is an arithmetic number, because the mean of its divisors is an integer number (53965890).

Almost surely, 21399380514 is an apocalyptic number.

1399380514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1399380514 is a deficient number, since it is larger than the sum of its proper divisors (1190982206).

1399380514 is a wasteful number, since it uses less digits than its factorization.

1399380514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1399380514 is about 37408.2947218929. The cubic root of 1399380514 is about 1118.5239148480.

The spelling of 1399380514 in words is "one billion, three hundred ninety-nine million, three hundred eighty thousand, five hundred fourteen".

Divisors: 1 2 7 14 19 38 49 98 131 133 262 266 917 931 1834 1862 2489 4978 5737 6419 11474 12838 17423 34846 40159 80318 109003 121961 218006 243922 281113 562226 751547 763021 1503094 1526042 5260829 5341147 10521658 10682294 14279393 28558786 36825803 73651606 99955751 199911502 699690257 1399380514