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2949836940 = 2234517234657
BaseRepresentation
bin1010111111010010…
…1111000010001100
321121120122020120000
42233310233002030
522020124240230
61204413124300
7133046125461
oct25764570214
97546566500
102949836940
111284119176
126a3a89690
1338019cb5b
141ddaa9668
15123e85b60
hexafd2f08c

2949836940 has 240 divisors, whose sum is σ = 10226284992. Its totient is φ = 708009984.

The previous prime is 2949836893. The next prime is 2949836959. The reversal of 2949836940 is 496389492.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 631092 + ... + 635748.

Almost surely, 22949836940 is an apocalyptic number.

2949836940 is a gapful number since it is divisible by the number (20) 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 2949836940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5113142496).

2949836940 is an abundant number, since it is smaller than the sum of its proper divisors (7276448052).

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

2949836940 is a wasteful number, since it uses less digits than its factorization.

2949836940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 2949836940 is about 54312.4013462855. The cubic root of 2949836940 is about 1434.1657167426.

The spelling of 2949836940 in words is "two billion, nine hundred forty-nine million, eight hundred thirty-six thousand, nine hundred forty".