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1056622072 = 2311191633877
BaseRepresentation
bin111110111110101…
…100010111111000
32201122012221222211
4332332230113320
54130443401242
6252503024504
735120065552
oct7676542770
92648187884
101056622072
114a2487890
12255a3b134
1313aba377c
14a048a4d2
1562b68317
hex3efac5f8

1056622072 has 64 divisors (see below), whose sum is σ = 2289571200. Its totient is φ = 452096640.

The previous prime is 1056622069. The next prime is 1056622079. The reversal of 1056622072 is 2702266501.

It is a super-2 number, since 2×10566220722 = 2232900406075146368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056622079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270598 + ... + 274474.

It is an arithmetic number, because the mean of its divisors is an integer number (35774550).

Almost surely, 21056622072 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 1056622072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144785600).

1056622072 is an abundant number, since it is smaller than the sum of its proper divisors (1232949128).

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

1056622072 is a wasteful number, since it uses less digits than its factorization.

1056622072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1056622072 is about 32505.7236806074. The cubic root of 1056622072 is about 1018.5285948302.

Adding to 1056622072 its reverse (2702266501), we get a palindrome (3758888573).

The spelling of 1056622072 in words is "one billion, fifty-six million, six hundred twenty-two thousand, seventy-two".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 163 209 326 418 652 836 1304 1672 1793 3097 3586 3877 6194 7172 7754 12388 14344 15508 24776 31016 34067 42647 68134 73663 85294 136268 147326 170588 272536 294652 341176 589304 631951 810293 1263902 1620586 2527804 3241172 5055608 6482344 6951461 12007069 13902922 24014138 27805844 48028276 55611688 96056552 132077759 264155518 528311036 1056622072