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1387699484 = 22346924871
BaseRepresentation
bin101001010110110…
…1001110100011100
310120201012102211012
41102231221310130
510320222340414
6345411114352
746250152043
oct12255516434
93521172735
101387699484
11652358186
123288a29b8
13191662a72
14d242d55a
1581c6533e
hex52b69d1c

1387699484 has 6 divisors (see below), whose sum is σ = 2428474104. Its totient is φ = 693849740.

The previous prime is 1387699471. The next prime is 1387699501. The reversal of 1387699484 is 4849967831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173462432 + ... + 173462439.

It is an arithmetic number, because the mean of its divisors is an integer number (404745684).

Almost surely, 21387699484 is an apocalyptic number.

It is an amenable number.

1387699484 is a deficient number, since it is larger than the sum of its proper divisors (1040774620).

1387699484 is a wasteful number, since it uses less digits than its factorization.

1387699484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346924875 (or 346924873 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 1387699484 is about 37251.8386660310. The cubic root of 1387699484 is about 1115.4030017821.

The spelling of 1387699484 in words is "one billion, three hundred eighty-seven million, six hundred ninety-nine thousand, four hundred eighty-four".

Divisors: 1 2 4 346924871 693849742 1387699484