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1056502980 = 223351319892
BaseRepresentation
bin111110111110001…
…111010011000100
32201121222220122000
4332332033103010
54130431043410
6252500305300
735116061421
oct7676172304
92647886560
101056502980
114a2406365
122559a2230
1313ab614c0
14a0458d48
1562b42dc0
hex3ef8f4c4

1056502980 has 288 divisors, whose sum is σ = 3768374400. Its totient is φ = 243606528.

The previous prime is 1056502949. The next prime is 1056503023. The reversal of 1056502980 is 892056501.

It is a happy number.

1056502980 is a `hidden beast` number, since 1 + 0 + 565 + 0 + 2 + 98 + 0 = 666.

It is a super-2 number, since 2×10565029802 = 2232397093497760800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11870776 + ... + 11870864.

Almost surely, 21056502980 is an apocalyptic number.

1056502980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056502980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884187200).

1056502980 is an abundant number, since it is smaller than the sum of its proper divisors (2711871420).

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

1056502980 is a wasteful number, since it uses less digits than its factorization.

1056502980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1056502980 is about 32503.8917669869. The cubic root of 1056502980 is about 1018.4903272326.

The spelling of 1056502980 in words is "one billion, fifty-six million, five hundred two thousand, nine hundred eighty".