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120420310 = 2514980819
BaseRepresentation
bin1110010110101…
…11011111010110
322101120222121111
413023113133112
5221311422220
615541005234
72661361423
oct713273726
9271528544
10120420310
1161a7961a
12343b381a
131bc4332a
1411dc8d4a
15a88a15a
hex72d77d6

120420310 has 16 divisors (see below), whose sum is σ = 218214000. Its totient is φ = 47844256.

The previous prime is 120420241. The next prime is 120420323. The reversal of 120420310 is 13024021.

It is a super-2 number, since 2×1204203102 = 29002102120992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38920 + ... + 41899.

It is an arithmetic number, because the mean of its divisors is an integer number (13638375).

Almost surely, 2120420310 is an apocalyptic number.

120420310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120420310 is a deficient number, since it is larger than the sum of its proper divisors (97793690).

120420310 is a wasteful number, since it uses less digits than its factorization.

120420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80975.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120420310 is about 10973.6188196966. The cubic root of 120420310 is about 493.8176180427.

Adding to 120420310 its reverse (13024021), we get a palindrome (133444331).

The spelling of 120420310 in words is "one hundred twenty million, four hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 149 298 745 1490 80819 161638 404095 808190 12042031 24084062 60210155 120420310