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1420300310 = 251113993217
BaseRepresentation
bin101010010101000…
…0001000000010110
310122222112201202012
41110222001000112
510402044102220
6352533544222
750124232142
oct12452010026
93588481665
101420300310
116697a4710
123377a5072
131983387b0
14d68b8222
1584a54ac5
hex54a81016

1420300310 has 32 divisors (see below), whose sum is σ = 3003491232. Its totient is φ = 476743680.

The previous prime is 1420300289. The next prime is 1420300319. The reversal of 1420300310 is 130030241.

It is a super-2 number, since 2×14203003102 = 4034505941172192200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420300319) 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, 495179 + ... + 498038.

It is an arithmetic number, because the mean of its divisors is an integer number (93859101).

Almost surely, 21420300310 is an apocalyptic number.

1420300310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420300310 is an abundant number, since it is smaller than the sum of its proper divisors (1583190922).

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

1420300310 is a wasteful number, since it uses less digits than its factorization.

1420300310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993248.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1420300310 is about 37686.8718521450. The cubic root of 1420300310 is about 1124.0700951081.

Adding to 1420300310 its reverse (130030241), we get a palindrome (1550330551).

The spelling of 1420300310 in words is "one billion, four hundred twenty million, three hundred thousand, three hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 993217 1986434 4966085 9932170 10925387 12911821 21850774 25823642 54626935 64559105 109253870 129118210 142030031 284060062 710150155 1420300310