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1091340796 = 227138233643
BaseRepresentation
bin100000100001100…
…1000100111111100
32211001112212010111
41001003020213330
54213340401141
6300143115404
736021146410
oct10103104774
92731485114
101091340796
11510040547
122655a2b64
1314513b4b0
14a4d26d40
1565c25381
hex410c89fc

1091340796 has 48 divisors (see below), whose sum is σ = 2354082304. Its totient is φ = 431096256.

The previous prime is 1091340781. The next prime is 1091340821. The reversal of 1091340796 is 6970431901.

It is a congruent number.

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, 297751 + ... + 301393.

Almost surely, 21091340796 is an apocalyptic number.

It is an amenable number.

1091340796 is an abundant number, since it is smaller than the sum of its proper divisors (1262741508).

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

1091340796 is a wasteful number, since it uses less digits than its factorization.

1091340796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1091340796 is about 33035.4475677264. The cubic root of 1091340796 is about 1029.5642722907.

The spelling of 1091340796 in words is "one billion, ninety-one million, three hundred forty thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 823 1646 3292 3643 5761 7286 10699 11522 14572 21398 23044 25501 42796 47359 51002 74893 94718 102004 149786 189436 299572 331513 663026 1326052 2998189 5996378 11992756 20987323 38976457 41974646 77952914 83949292 155905828 272835199 545670398 1091340796