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2306228421 = 37157699493
BaseRepresentation
bin1000100101110110…
…0100000011000101
312221201120112122110
42021131210003011
514210343302141
61020502251233
7111102422010
oct21135440305
95851515573
102306228421
11a83895602
12544426b19
132a9a46103
1417c410377
15d7701e16
hex897640c5

2306228421 has 16 divisors (see below), whose sum is σ = 3536641664. Its totient is φ = 1309449024.

The previous prime is 2306228399. The next prime is 2306228429. The reversal of 2306228421 is 1248226032.

It is not a de Polignac number, because 2306228421 - 27 = 2306228293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306228429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346450 + ... + 353043.

It is an arithmetic number, because the mean of its divisors is an integer number (221040104).

Almost surely, 22306228421 is an apocalyptic number.

2306228421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2306228421 is a deficient number, since it is larger than the sum of its proper divisors (1230413243).

2306228421 is a wasteful number, since it uses less digits than its factorization.

2306228421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699660.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2306228421 is about 48023.2071086470. The cubic root of 2306228421 is about 1321.1965773968.

The spelling of 2306228421 in words is "two billion, three hundred six million, two hundred twenty-eight thousand, four hundred twenty-one".

Divisors: 1 3 7 21 157 471 1099 3297 699493 2098479 4896451 14689353 109820401 329461203 768742807 2306228421