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9421974484 = 2213457521761
BaseRepresentation
bin10001100011001011…
…11110101111010100
3220022122002220011221
420301211332233110
5123244011140414
64154533340124
7452325314236
oct106145765724
926278086157
109421974484
113aa550597a
1219ab497644
13b72016940
1465549a256
153a2281224
hex23197ebd4

9421974484 has 48 divisors (see below), whose sum is σ = 17853239376. Its totient is φ = 4325068800.

The previous prime is 9421974479. The next prime is 9421974487. The reversal of 9421974484 is 4844791249.

It can be written as a sum of positive squares in 8 ways, for example, as 1917564100 + 7504410384 = 43790^2 + 86628^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421974487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12380664 + ... + 12381424.

It is an arithmetic number, because the mean of its divisors is an integer number (371942487).

Almost surely, 29421974484 is an apocalyptic number.

It is an amenable number.

9421974484 is a deficient number, since it is larger than the sum of its proper divisors (8431264892).

9421974484 is a wasteful number, since it uses less digits than its factorization.

9421974484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1754 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 9421974484 is about 97066.8557438635. The cubic root of 9421974484 is about 2112.0975587802.

The spelling of 9421974484 in words is "nine billion, four hundred twenty-one million, nine hundred seventy-four thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 457 521 761 914 1042 1522 1828 2084 3044 5941 6773 9893 11882 13546 19786 23764 27092 39572 238097 347777 396481 476194 695554 792962 952388 1391108 1585924 3095261 4521101 5154253 6190522 9042202 10308506 12381044 18084404 20617012 181191817 362383634 724767268 2355493621 4710987242 9421974484