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1106831388 = 2231347150959
BaseRepresentation
bin100000111111000…
…1110100000011100
32212010200212020010
41001332032200130
54231322101023
6301455123220
736266624445
oct10176164034
92763625203
101106831388
11518860893
1226a813510
13148403220
14a6dda2cc
1567285093
hex41f8e81c

1106831388 has 48 divisors (see below), whose sum is σ = 2840463360. Its totient is φ = 333315264.

The previous prime is 1106831381. The next prime is 1106831399. The reversal of 1106831388 is 8831386011.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106831381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68148 + ... + 82811.

It is an arithmetic number, because the mean of its divisors is an integer number (59176320).

Almost surely, 21106831388 is an apocalyptic number.

It is an amenable number.

1106831388 is an abundant number, since it is smaller than the sum of its proper divisors (1733631972).

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

1106831388 is a wasteful number, since it uses less digits than its factorization.

1106831388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151026 (or 151024 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1106831388 is about 33269.0755507273. The cubic root of 1106831388 is about 1034.4126481467.

The spelling of 1106831388 in words is "one billion, one hundred six million, eight hundred thirty-one thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 141 156 188 282 564 611 1222 1833 2444 3666 7332 150959 301918 452877 603836 905754 1811508 1962467 3924934 5887401 7095073 7849868 11774802 14190146 21285219 23549604 28380292 42570438 85140876 92235949 184471898 276707847 368943796 553415694 1106831388