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1081007676 = 223275972707
BaseRepresentation
bin100000001101110…
…1101111000111100
32210100002212202100
41000123231320330
54203214221201
6255133425100
735534261610
oct10033557074
92710085670
101081007676
11505223081
1226203b190
13142c61118
14a37d7340
1564d83886
hex406ede3c

1081007676 has 72 divisors (see below), whose sum is σ = 3175885440. Its totient is φ = 303620256.

The previous prime is 1081007647. The next prime is 1081007693. The reversal of 1081007676 is 6767001801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1081007676.

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, 21486 + ... + 51221.

It is an arithmetic number, because the mean of its divisors is an integer number (44109520).

Almost surely, 21081007676 is an apocalyptic number.

It is an amenable number.

1081007676 is an abundant number, since it is smaller than the sum of its proper divisors (2094877764).

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

1081007676 is a wasteful number, since it uses less digits than its factorization.

1081007676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72783 (or 72778 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1081007676 is about 32878.6811779305. The cubic root of 1081007676 is about 1026.3045617275.

The spelling of 1081007676 in words is "one billion, eighty-one million, seven thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 59 63 84 118 126 177 236 252 354 413 531 708 826 1062 1239 1652 2124 2478 3717 4956 7434 14868 72707 145414 218121 290828 436242 508949 654363 872484 1017898 1308726 1526847 2035796 2617452 3053694 4289713 4580541 6107388 8579426 9161082 12869139 17158852 18322164 25738278 30027991 38607417 51476556 60055982 77214834 90083973 120111964 154429668 180167946 270251919 360335892 540503838 1081007676