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2949970340 = 2252315740847
BaseRepresentation
bin1010111111010100…
…1111100110100100
321121120220000112202
42233311033212210
522020143022330
61204420034032
7133050222422
oct25765174644
97546800482
102949970340
1112841aa419
126a3b32918
133802187a5
141ddb02112
15123eb0445
hexafd4f9a4

2949970340 has 48 divisors (see below), whose sum is σ = 6505615872. Its totient is φ = 1121467776.

The previous prime is 2949970337. The next prime is 2949970379. The reversal of 2949970340 is 430799492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51797 + ... + 92643.

It is an arithmetic number, because the mean of its divisors is an integer number (135533664).

Almost surely, 22949970340 is an apocalyptic number.

2949970340 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 2949970340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252807936).

2949970340 is an abundant number, since it is smaller than the sum of its proper divisors (3555645532).

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

2949970340 is a wasteful number, since it uses less digits than its factorization.

2949970340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41036 (or 41034 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2949970340 is about 54313.6294128831. The cubic root of 2949970340 is about 1434.1873354316.

The spelling of 2949970340 in words is "two billion, nine hundred forty-nine million, nine hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 157 230 314 460 628 785 1570 3140 3611 7222 14444 18055 36110 40847 72220 81694 163388 204235 408470 816940 939481 1878962 3757924 4697405 6412979 9394810 12825958 18789620 25651916 32064895 64129790 128259580 147498517 294997034 589994068 737492585 1474985170 2949970340