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9472768420 = 2254383132709
BaseRepresentation
bin10001101001001111…
…01111100110100100
3220110011200111100211
420310213233212210
5123400012042140
64203550145204
7453513126433
oct106447574644
926404614324
109472768420
114021149135
121a044b2204
13b7c6bc51b
1465c11d11a
153a69662ea
hex2349ef9a4

9472768420 has 48 divisors (see below), whose sum is σ = 20600838720. Its totient is φ = 3656370816.

The previous prime is 9472768391. The next prime is 9472768439. The reversal of 9472768420 is 248672749.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5026 + ... + 137734.

It is an arithmetic number, because the mean of its divisors is an integer number (429184140).

Almost surely, 29472768420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9472768420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10300419360).

9472768420 is an abundant number, since it is smaller than the sum of its proper divisors (11128070300).

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

9472768420 is a wasteful number, since it uses less digits than its factorization.

9472768420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132844 (or 132842 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 9472768420 is about 97328.1481381414. The cubic root of 9472768420 is about 2115.8862033706.

The spelling of 9472768420 in words is "nine billion, four hundred seventy-two million, seven hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 83 86 166 172 215 332 415 430 830 860 1660 3569 7138 14276 17845 35690 71380 132709 265418 530836 663545 1327090 2654180 5706487 11014847 11412974 22029694 22825948 28532435 44059388 55074235 57064870 110148470 114129740 220296940 473638421 947276842 1894553684 2368192105 4736384210 9472768420