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3105030400 = 2852485161
BaseRepresentation
bin1011100100010011…
…0000000100000000
322000101122212221221
42321010300010000
522324341433100
61232035324424
7136642215523
oct27104600400
98011585857
103105030400
11135378832a
12727a50714
133a63998c4
14216546bba
151328de01a
hexb9130100

3105030400 has 54 divisors (see below), whose sum is σ = 7685451242. Its totient is φ = 1242009600.

The previous prime is 3105030373. The next prime is 3105030413. The reversal of 3105030400 is 40305013.

It can be written as a sum of positive squares in 3 ways, for example, as 2985984 + 3102044416 = 1728^2 + 55696^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236181 + ... + 248980.

Almost surely, 23105030400 is an apocalyptic number.

It is an amenable number.

3105030400 is an abundant number, since it is smaller than the sum of its proper divisors (4580420842).

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

3105030400 is an equidigital number, since it uses as much as digits as its factorization.

3105030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485187 (or 485168 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3105030400 is about 55722.7996425162. The cubic root of 3105030400 is about 1458.8880004561. Note that the first 3 decimals are identical.

Adding to 3105030400 its reverse (40305013), we get a palindrome (3145335413).

The spelling of 3105030400 in words is "three billion, one hundred five million, thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 485161 970322 1940644 2425805 3881288 4851610 7762576 9703220 12129025 15525152 19406440 24258050 31050304 38812880 48516100 62100608 77625760 97032200 124201216 155251520 194064400 310503040 388128800 621006080 776257600 1552515200 3105030400