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1420311030 = 235123738273
BaseRepresentation
bin101010010101000…
…0011100111110110
310122222120021110020
41110222003213312
510402044423110
6352534110010
750124305325
oct12452034766
93588507406
101420311030
11669801776
123377ab306
13198340638
14d68bc0bc
1584a57d70
hex54a839f6

1420311030 has 32 divisors (see below), whose sum is σ = 3411591264. Its totient is φ = 378433536.

The previous prime is 1420311029. The next prime is 1420311031. The reversal of 1420311030 is 301130241.

It is an interprime number because it is at equal distance from previous prime (1420311029) and next prime (1420311031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420311031) 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, 17974 + ... + 56246.

It is an arithmetic number, because the mean of its divisors is an integer number (106612227).

Almost surely, 21420311030 is an apocalyptic number.

1420311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420311030 is an abundant number, since it is smaller than the sum of its proper divisors (1991280234).

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

1420311030 is a wasteful number, since it uses less digits than its factorization.

1420311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39520.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1420311030 is about 37687.0140764694. The cubic root of 1420311030 is about 1124.0729231488.

Adding to 1420311030 its reverse (301130241), we get a palindrome (1721441271).

The spelling of 1420311030 in words is "one billion, four hundred twenty million, three hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1237 2474 3711 6185 7422 12370 18555 37110 38273 76546 114819 191365 229638 382730 574095 1148190 47343701 94687402 142031103 236718505 284062206 473437010 710155515 1420311030