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200078680 = 2355001967
BaseRepresentation
bin10111110110011…
…11010101011000
3111221111001100111
423323033111120
5402210004210
631504214104
74646432524
oct1373172530
9457431314
10200078680
11a2a3708a
125700a334
13325b4069
141c802d84
151287288a
hexbecf558

200078680 has 16 divisors (see below), whose sum is σ = 450177120. Its totient is φ = 80031456.

The previous prime is 200078653. The next prime is 200078687. The reversal of 200078680 is 86870002.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200078687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2500944 + ... + 2501023.

It is an arithmetic number, because the mean of its divisors is an integer number (28136070).

Almost surely, 2200078680 is an apocalyptic number.

200078680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200078680 is an abundant number, since it is smaller than the sum of its proper divisors (250098440).

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

200078680 is a wasteful number, since it uses less digits than its factorization.

200078680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001978 (or 5001974 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 200078680 is about 14144.9171082760. The cubic root of 200078680 is about 584.8802248271.

The spelling of 200078680 in words is "two hundred million, seventy-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 5001967 10003934 20007868 25009835 40015736 50019670 100039340 200078680