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200380480 = 265626189
BaseRepresentation
bin10111111000110…
…01000001000000
3111222001101100021
423330121001000
5402244133410
631514503224
74652130436
oct1374310100
9458041307
10200380480
11a3122903
1257134b14
133268b541
141c880d56
15128d1eda
hexbf19040

200380480 has 28 divisors (see below), whose sum is σ = 477156780. Its totient is φ = 80152064.

The previous prime is 200380469. The next prime is 200380483. The reversal of 200380480 is 84083002.

It can be written as a sum of positive squares in 2 ways, for example, as 93547584 + 106832896 = 9672^2 + 10336^2 .

It is not an unprimeable number, because it can be changed into a prime (200380483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312775 + ... + 313414.

Almost surely, 2200380480 is an apocalyptic number.

200380480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200380480 is an abundant number, since it is smaller than the sum of its proper divisors (276776300).

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

200380480 is an equidigital number, since it uses as much as digits as its factorization.

200380480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626206 (or 626196 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 200380480 is about 14155.5812314437. The cubic root of 200380480 is about 585.1741561496.

The spelling of 200380480 in words is "two hundred million, three hundred eighty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 626189 1252378 2504756 3130945 5009512 6261890 10019024 12523780 20038048 25047560 40076096 50095120 100190240 200380480