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404893213320 = 23354378467677
BaseRepresentation
bin1011110010001011000…
…01000010001010001000
31102201002201000100202210
411321011201002022020
523113210130311240
6510001054425120
741152426346031
oct5710541021210
91381081010683
10404893213320
11146794732a52
1266579b021a0
132c24831b33b
141584ddc7a88
15a7eb2a9780
hex5e45842288

404893213320 has 64 divisors (see below), whose sum is σ = 1242928019520. Its totient is φ = 105460556544.

The previous prime is 404893213267. The next prime is 404893213327. The reversal of 404893213320 is 23312398404.

It is not an unprimeable number, because it can be changed into a prime (404893213327) 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, 39228679 + ... + 39238998.

It is an arithmetic number, because the mean of its divisors is an integer number (19420750305).

Almost surely, 2404893213320 is an apocalyptic number.

404893213320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404893213320 is an abundant number, since it is smaller than the sum of its proper divisors (838034806200).

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

404893213320 is a wasteful number, since it uses less digits than its factorization.

404893213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78467734 (or 78467730 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 404893213320 in words is "four hundred four billion, eight hundred ninety-three million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 78467677 156935354 235403031 313870708 392338385 470806062 627741416 784676770 941612124 1177015155 1569353540 1883224248 2354030310 3138707080 3374110111 4708060620 6748220222 9416121240 10122330333 13496440444 16870550555 20244660666 26992880888 33741101110 40489321332 50611651665 67482202220 80978642664 101223303330 134964404440 202446606660 404893213320