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3990541000 = 23533990541
BaseRepresentation
bin1110110111011010…
…1101001011001000
3101022002220111010211
43231312231023020
531133034303000
61455551050504
7200614016215
oct35566551310
911262814124
103990541000
111768613576
12934510a34
134b798c184
1429bdb0b0c
151855077ba
hexeddad2c8

3990541000 has 32 divisors (see below), whose sum is σ = 9337868280. Its totient is φ = 1596216000.

The previous prime is 3990540991. The next prime is 3990541039. The reversal of 3990541000 is 1450993.

It can be written as a sum of positive squares in 4 ways, for example, as 318908164 + 3671632836 = 17858^2 + 60594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994271 + ... + 1996270.

Almost surely, 23990541000 is an apocalyptic number.

It is an amenable number.

3990541000 is an abundant number, since it is smaller than the sum of its proper divisors (5347327280).

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

3990541000 is a wasteful number, since it uses less digits than its factorization.

3990541000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990562 (or 3990548 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 3990541000 is about 63170.7289810716. The cubic root of 3990541000 is about 1586.1487954785.

Adding to 3990541000 its reverse (1450993), we get a palindrome (3991991993).

The spelling of 3990541000 in words is "three billion, nine hundred ninety million, five hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 3990541 7981082 15962164 19952705 31924328 39905410 79810820 99763525 159621640 199527050 399054100 498817625 798108200 997635250 1995270500 3990541000