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1081337972 = 22111317611823
BaseRepresentation
bin100000001110011…
…1110100001110100
32210100201122211112
41000130332201310
54203310303342
6255144454152
735540135561
oct10034764164
92710648745
101081337972
11505429250
1226217a358
13143048570
14a3881868
1564deb682
hex4073e874

1081337972 has 96 divisors (see below), whose sum is σ = 2393846784. Its totient is φ = 419788800.

The previous prime is 1081337963. The next prime is 1081338007. The reversal of 1081337972 is 2797331801.

It is a congruent 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, 592253 + ... + 594075.

It is an arithmetic number, because the mean of its divisors is an integer number (24935904).

Almost surely, 21081337972 is an apocalyptic number.

It is an amenable number.

1081337972 is an abundant number, since it is smaller than the sum of its proper divisors (1312508812).

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

1081337972 is a wasteful number, since it uses less digits than its factorization.

1081337972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1081337972 is about 32883.7037451684. The cubic root of 1081337972 is about 1026.4090783373.

The spelling of 1081337972 in words is "one billion, eighty-one million, three hundred thirty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 13 17 22 26 34 44 52 61 68 122 143 187 221 244 286 374 442 572 671 748 793 884 1037 1342 1586 1823 2074 2431 2684 3172 3646 4148 4862 7292 8723 9724 11407 13481 17446 20053 22814 23699 26962 30991 34892 40106 45628 47398 53924 61982 80212 94796 111203 123964 148291 222406 260689 296582 340901 402883 444812 521378 593164 681802 805766 1042756 1223233 1363604 1445639 1611532 1890451 2446466 2891278 3780902 4431713 4892932 5782556 7561804 8863426 15902029 17726852 20794961 24575863 31804058 41589922 49151726 63608116 83179844 98303452 270334493 540668986 1081337972