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1017203140 = 225472813851
BaseRepresentation
bin111100101000010…
…100100111000100
32121220001021101101
4330220110213010
54040401000030
6244534105444
734131040552
oct7450244704
92556037341
101017203140
11482203858
122447ab284
13132981565
1499148bd2
155e47d7ca
hex3ca149c4

1017203140 has 48 divisors (see below), whose sum is σ = 2189908224. Its totient is φ = 396704000.

The previous prime is 1017203137. The next prime is 1017203197. The reversal of 1017203140 is 413027101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262215 + ... + 266065.

It is an arithmetic number, because the mean of its divisors is an integer number (45623088).

Almost surely, 21017203140 is an apocalyptic number.

1017203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1017203140 is an abundant number, since it is smaller than the sum of its proper divisors (1172705084).

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

1017203140 is a wasteful number, since it uses less digits than its factorization.

1017203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1017203140 is about 31893.6222464618. The cubic root of 1017203140 is about 1005.7018076003.

The spelling of 1017203140 in words is "one billion, seventeen million, two hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 281 470 562 940 1124 1405 2810 3851 5620 7702 13207 15404 19255 26414 38510 52828 66035 77020 132070 180997 264140 361994 723988 904985 1082131 1809970 2164262 3619940 4328524 5410655 10821310 21642620 50860157 101720314 203440628 254300785 508601570 1017203140