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1045282680 = 23325131491499
BaseRepresentation
bin111110010011011…
…011111101111000
32200211212212021100
4332103123331320
54120043021210
6251420011400
734621520241
oct7623337570
92624785240
101045282680
11497042392
12252090b60
13138733380
149cb77cc8
1561b785c0
hex3e4dbf78

1045282680 has 192 divisors, whose sum is σ = 3685500000. Its totient is φ = 255403008.

The previous prime is 1045282669. The next prime is 1045282681. The reversal of 1045282680 is 862825401.

1045282680 is a `hidden beast` number, since 104 + 528 + 26 + 8 + 0 = 666.

It is a super-2 number, since 2×10452826802 = 2185231762215964800, 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 not an unprimeable number, because it can be changed into a prime (1045282681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696571 + ... + 698069.

Almost surely, 21045282680 is an apocalyptic number.

1045282680 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 1045282680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842750000).

1045282680 is an abundant number, since it is smaller than the sum of its proper divisors (2640217320).

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

1045282680 is a wasteful number, since it uses less digits than its factorization.

1045282680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1045282680 is about 32330.8317245319. The cubic root of 1045282680 is about 1014.8719551806.

The spelling of 1045282680 in words is "one billion, forty-five million, two hundred eighty-two thousand, six hundred eighty".