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1389377034 = 232312489923
BaseRepresentation
bin101001011010000…
…0011011000001010
310120211100122222200
41102310003120022
510321140031114
6345511101030
746300336623
oct12264033012
93524318880
101389377034
116532a3591
12329371776
13191acc4b6
14d2748a4a
1581e97409
hex52d0360a

1389377034 has 24 divisors (see below), whose sum is σ = 3107425152. Its totient is φ = 448185960.

The previous prime is 1389377023. The next prime is 1389377083. The reversal of 1389377034 is 4307739831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244404 + ... + 1245519.

It is an arithmetic number, because the mean of its divisors is an integer number (129476048).

Almost surely, 21389377034 is an apocalyptic number.

1389377034 is an abundant number, since it is smaller than the sum of its proper divisors (1718048118).

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

1389377034 is a wasteful number, since it uses less digits than its factorization.

1389377034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489962 (or 2489959 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1389377034 is about 37274.3482035568. The cubic root of 1389377034 is about 1115.8522803284.

The spelling of 1389377034 in words is "one billion, three hundred eighty-nine million, three hundred seventy-seven thousand, thirty-four".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 2489923 4979846 7469769 14939538 22409307 44818614 77187613 154375226 231562839 463125678 694688517 1389377034