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1068752090 = 257171947269
BaseRepresentation
bin111111101100111…
…101110011011010
32202111001020020202
4333230331303122
54142100031330
6254015022202
735325146210
oct7754756332
92674036222
101068752090
114a931229a
12259b0a962
1314055c9b3
14a1d26cb0
1563c62445
hex3fb3dcda

1068752090 has 64 divisors (see below), whose sum is σ = 2450476800. Its totient is φ = 326716416.

The previous prime is 1068752081. The next prime is 1068752149. The reversal of 1068752090 is 902578601.

It is a super-2 number, since 2×10687520902 = 2284462059758736200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025 + ... + 46244.

It is an arithmetic number, because the mean of its divisors is an integer number (38288700).

Almost surely, 21068752090 is an apocalyptic number.

1068752090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1068752090 is an abundant number, since it is smaller than the sum of its proper divisors (1381724710).

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

1068752090 is a wasteful number, since it uses less digits than its factorization.

1068752090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47319.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1068752090 is about 32691.7740417983. The cubic root of 1068752090 is about 1022.4113428749.

The spelling of 1068752090 in words is "one billion, sixty-eight million, seven hundred fifty-two thousand, ninety".

Divisors: 1 2 5 7 10 14 17 19 34 35 38 70 85 95 119 133 170 190 238 266 323 595 646 665 1190 1330 1615 2261 3230 4522 11305 22610 47269 94538 236345 330883 472690 661766 803573 898111 1607146 1654415 1796222 3308830 4017865 4490555 5625011 6286777 8035730 8981110 11250022 12573554 15267887 28125055 30535774 31433885 56250110 62867770 76339435 106875209 152678870 213750418 534376045 1068752090