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1115462868 = 2231321928949
BaseRepresentation
bin100001001111100…
…1001110011010100
32212201221101101120
41002133021303110
54241024302433
6302404123540
736433164222
oct10237116324
92781841346
101115462868
11522716843
122716965b0
1314a135c00
14a8205b12
1567ddc7b3
hex427c9cd4

1115462868 has 72 divisors (see below), whose sum is σ = 2966796000. Its totient is φ = 325143936.

The previous prime is 1115462839. The next prime is 1115462879. The reversal of 1115462868 is 8682645111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24058 + ... + 53006.

It is an arithmetic number, because the mean of its divisors is an integer number (41205500).

Almost surely, 21115462868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115462868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483398000).

1115462868 is an abundant number, since it is smaller than the sum of its proper divisors (1851333132).

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

1115462868 is a wasteful number, since it uses less digits than its factorization.

1115462868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001 (or 28986 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 1115462868 is about 33398.5458964908. The cubic root of 1115462868 is about 1037.0945992054.

The spelling of 1115462868 in words is "one billion, one hundred fifteen million, four hundred sixty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 169 228 247 338 494 507 676 741 988 1014 1482 2028 2964 3211 6422 9633 12844 19266 28949 38532 57898 86847 115796 173694 347388 376337 550031 752674 1100062 1129011 1505348 1650093 2200124 2258022 3300186 4516044 4892381 6600372 7150403 9784762 14300806 14677143 19569524 21451209 28601612 29354286 42902418 58708572 85804836 92955239 185910478 278865717 371820956 557731434 1115462868