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200641380 = 22353790379
BaseRepresentation
bin10111111010110…
…00101101100100
3111222112122020020
423331120231210
5402331011010
631524235140
74654265202
oct1375305544
9458478206
10200641380
11a3290925
125723bab0
1332750214
141c90c072
1512934470
hexbf58b64

200641380 has 48 divisors (see below), whose sum is σ = 576985920. Its totient is φ = 52057728.

The previous prime is 200641369. The next prime is 200641381. The reversal of 200641380 is 83146002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200641380.

It is not an unprimeable number, because it can be changed into a prime (200641381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42970 + ... + 47409.

It is an arithmetic number, because the mean of its divisors is an integer number (12020540).

Almost surely, 2200641380 is an apocalyptic number.

200641380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200641380 is an abundant number, since it is smaller than the sum of its proper divisors (376344540).

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

200641380 is a wasteful number, since it uses less digits than its factorization.

200641380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90428 (or 90426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 200641380 is about 14164.7936801070. The cubic root of 200641380 is about 585.4280160806.

Adding to 200641380 its reverse (83146002), we get a palindrome (283787382).

The spelling of 200641380 in words is "two hundred million, six hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 90379 180758 271137 361516 451895 542274 903790 1084548 1355685 1807580 2711370 3344023 5422740 6688046 10032069 13376092 16720115 20064138 33440230 40128276 50160345 66880460 100320690 200641380