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2340630621 = 33712384289
BaseRepresentation
bin1000101110000011…
…0011000001011101
320001010022100121000
42023200303001131
514243200134441
61024131500513
7112001013660
oct21340630135
96033270530
102340630621
11aa125247a
12553a57739
132b3bcca44
14182c076d7
15da74a2b6
hex8b83305d

2340630621 has 16 divisors (see below), whose sum is σ = 3962972800. Its totient is φ = 1337503104.

The previous prime is 2340630599. The next prime is 2340630623. The reversal of 2340630621 is 1260360432.

2340630621 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 6 + 30 + 621 = 666.

It is not a de Polignac number, because 2340630621 - 26 = 2340630557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340630623) 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, 6191956 + ... + 6192333.

It is an arithmetic number, because the mean of its divisors is an integer number (247685800).

Almost surely, 22340630621 is an apocalyptic number.

2340630621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2340630621 is a deficient number, since it is larger than the sum of its proper divisors (1622342179).

2340630621 is a wasteful number, since it uses less digits than its factorization.

2340630621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384305 (or 12384299 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2340630621 is about 48380.0642930536. The cubic root of 2340630621 is about 1327.7336458741.

The spelling of 2340630621 in words is "two billion, three hundred forty million, six hundred thirty thousand, six hundred twenty-one".

Divisors: 1 3 7 9 21 27 63 189 12384289 37152867 86690023 111458601 260070069 334375803 780210207 2340630621