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1384572738 = 23435366561
BaseRepresentation
bin101001010000110…
…1110011101000010
310120111022120201210
41102201232131002
510313422311423
6345220110550
746211450133
oct12241563502
93514276653
101384572738
11650611a9a
12327835456
13190b09813
14d1c57c8a
1581848b93
hex5286e742

1384572738 has 16 divisors (see below), whose sum is σ = 2833544736. Its totient is φ = 450791040.

The previous prime is 1384572727. The next prime is 1384572743. The reversal of 1384572738 is 8372754831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683023 + ... + 2683538.

It is an arithmetic number, because the mean of its divisors is an integer number (177096546).

Almost surely, 21384572738 is an apocalyptic number.

1384572738 is an abundant number, since it is smaller than the sum of its proper divisors (1448971998).

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

1384572738 is a wasteful number, since it uses less digits than its factorization.

1384572738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366609.

The product of its digits is 1128960, while the sum is 48.

The square root of 1384572738 is about 37209.8473256744. The cubic root of 1384572738 is about 1114.5646347367.

The spelling of 1384572738 in words is "one billion, three hundred eighty-four million, five hundred seventy-two thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 43 86 129 258 5366561 10733122 16099683 32199366 230762123 461524246 692286369 1384572738