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1914930 = 232521277
BaseRepresentation
bin111010011100000110010
310121021210100
413103200302
5442234210
6105013230
722163613
oct7234062
93537710
101914930
111098796
12784216
135207c4
1437bc0a
1527c5c0
hex1d3832

1914930 has 24 divisors (see below), whose sum is σ = 4979052. Its totient is φ = 510624.

The previous prime is 1914923. The next prime is 1914947. The reversal of 1914930 is 394191.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 227529 = 1299^2 + 477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1914894 and 1914903.

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, 10549 + ... + 10728.

21914930 is an apocalyptic number.

1914930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1914930 is an abundant number, since it is smaller than the sum of its proper divisors (3064122).

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

1914930 is a wasteful number, since it uses less digits than its factorization.

1914930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21290 (or 21287 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1914930 is about 1383.8099580506. The cubic root of 1914930 is about 124.1798033236.

The spelling of 1914930 in words is "one million, nine hundred fourteen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 21277 42554 63831 106385 127662 191493 212770 319155 382986 638310 957465 1914930