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3076185840 = 2435713831697
BaseRepresentation
bin1011011101011010…
…1101111011110000
321221101101102122220
42313112231323300
522300000421330
61225125201040
7136142101560
oct26726557360
97841342586
103076185840
111339476a52
1271a260180
133a040a810
14212798da0
151300e2710
hexb75adef0

3076185840 has 320 divisors, whose sum is σ = 11885239296. Its totient is φ = 640843776.

The previous prime is 3076185839. The next prime is 3076185851. The reversal of 3076185840 is 485816703.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3076185792 and 3076185801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1811872 + ... + 1813568.

Almost surely, 23076185840 is an apocalyptic number.

3076185840 is a gapful number since it is divisible by the number (30) 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 3076185840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5942619648).

3076185840 is an abundant number, since it is smaller than the sum of its proper divisors (8809053456).

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

3076185840 is a wasteful number, since it uses less digits than its factorization.

3076185840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 3076185840 is about 55463.3738605938. The cubic root of 3076185840 is about 1454.3564329467.

The spelling of 3076185840 in words is "three billion, seventy-six million, one hundred eighty-five thousand, eight hundred forty".