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1061797842 = 23376146049
BaseRepresentation
bin111111010010011…
…011111111010010
32201222221220211000
4333102123333102
54133310012332
6253210002430
735212063350
oct7722337722
92658856730
101061797842
114a53a2486
12257716416
1313bc96561
14a10367d0
156333bb7c
hex3f49bfd2

1061797842 has 64 divisors (see below), whose sum is σ = 2740896000. Its totient is φ = 298391040.

The previous prime is 1061797831. The next prime is 1061797853. The reversal of 1061797842 is 2487971601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1061797831) and next prime (1061797853).

It is a super-2 number, since 2×10617978422 = 2254829314551713928, which contains 22 as substring.

It is a zygodrome in base 8.

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, 34 + ... + 46082.

It is an arithmetic number, because the mean of its divisors is an integer number (42826500).

Almost surely, 21061797842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061797842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370448000).

1061797842 is an abundant number, since it is smaller than the sum of its proper divisors (1679098158).

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

1061797842 is a wasteful number, since it uses less digits than its factorization.

1061797842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46128 (or 46122 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1061797842 is about 32585.2396339201. The cubic root of 1061797842 is about 1020.1889442367.

The spelling of 1061797842 in words is "one billion, sixty-one million, seven hundred ninety-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 61 63 122 126 183 189 366 378 427 549 854 1098 1281 1647 2562 3294 3843 7686 11529 23058 46049 92098 138147 276294 322343 414441 644686 828882 967029 1243323 1934058 2486646 2808989 2901087 5617978 5802174 8426967 8703261 16853934 17406522 19662923 25280901 39325846 50561802 58988769 75842703 117977538 151685406 176966307 353932614 530898921 1061797842