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1399414548 = 2237115314449
BaseRepresentation
bin101001101101001…
…0101111100010100
310121112020121212110
41103122111330110
510331222231143
6350510151020
746451553540
oct12332257424
93545217773
101399414548
11658a29954
123307b2470
13193c0515c
14d3bdca20
1582ccb533
hex53695f14

1399414548 has 48 divisors (see below), whose sum is σ = 3735267200. Its totient is φ = 399458304.

The previous prime is 1399414537. The next prime is 1399414561. The reversal of 1399414548 is 8454149931.

It is a happy number.

It is a super-2 number, since 2×13994145482 = 3916722154308088608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1399414497 and 1399414506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89628 + ... + 104076.

Almost surely, 21399414548 is an apocalyptic number.

It is an amenable number.

1399414548 is an abundant number, since it is smaller than the sum of its proper divisors (2335852652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399414548 is a wasteful number, since it uses less digits than its factorization.

1399414548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616 (or 15614 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 1399414548 is about 37408.7496182377. The cubic root of 1399414548 is about 1118.5329825591.

The spelling of 1399414548 in words is "one billion, three hundred ninety-nine million, four hundred fourteen thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1153 2306 3459 4612 6918 8071 13836 14449 16142 24213 28898 32284 43347 48426 57796 86694 96852 101143 173388 202286 303429 404572 606858 1213716 16659697 33319394 49979091 66638788 99958182 116617879 199916364 233235758 349853637 466471516 699707274 1399414548