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1017390930 = 23533913031
BaseRepresentation
bin111100101001000…
…010011101010010
32121220101210222120
4330221002131102
54040423002210
6244542115110
734132452213
oct7451023522
92556353876
101017390930
11482321956
1224487ba96
13132a18b8a
149919740a
155e4b9270
hex3ca42752

1017390930 has 16 divisors (see below), whose sum is σ = 2441738304. Its totient is φ = 271304240.

The previous prime is 1017390919. The next prime is 1017390973. The reversal of 1017390930 is 390937101.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1017390891 and 1017390900.

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, 16956486 + ... + 16956545.

It is an arithmetic number, because the mean of its divisors is an integer number (152608644).

Almost surely, 21017390930 is an apocalyptic number.

1017390930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1017390930 is an abundant number, since it is smaller than the sum of its proper divisors (1424347374).

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

1017390930 is a wasteful number, since it uses less digits than its factorization.

1017390930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33913041.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 1017390930 is about 31896.5661161198. The cubic root of 1017390930 is about 1005.7636926897.

The spelling of 1017390930 in words is "one billion, seventeen million, three hundred ninety thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 33913031 67826062 101739093 169565155 203478186 339130310 508695465 1017390930