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899703040 = 285702893
BaseRepresentation
bin110101101000000…
…110000100000000
32022200221122112211
4311220012010000
53320310444130
6225135431504
731203230635
oct6550060400
92280848484
10899703040
1142194a235
12211385594
13114521482
14876c018c
1553ebda2a
hex35a06100

899703040 has 36 divisors (see below), whose sum is σ = 2155073004. Its totient is φ = 359880704.

The previous prime is 899703023. The next prime is 899703071. The reversal of 899703040 is 40307998.

It can be written as a sum of positive squares in 2 ways, for example, as 143233024 + 756470016 = 11968^2 + 27504^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 899702984 and 899703002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350167 + ... + 352726.

It is an arithmetic number, because the mean of its divisors is an integer number (59863139).

Almost surely, 2899703040 is an apocalyptic number.

899703040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899703040 is an abundant number, since it is smaller than the sum of its proper divisors (1255369964).

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

899703040 is an equidigital number, since it uses as much as digits as its factorization.

899703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702914 (or 702900 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 899703040 is about 29995.0502583343. The cubic root of 899703040 is about 965.3831833955.

The spelling of 899703040 in words is "eight hundred ninety-nine million, seven hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 702893 1405786 2811572 3514465 5623144 7028930 11246288 14057860 22492576 28115720 44985152 56231440 89970304 112462880 179940608 224925760 449851520 899703040