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1421075464 = 23315730143
BaseRepresentation
bin101010010110011…
…1110010000001000
310200001000010001121
41110230332100020
510402243403324
6353002325024
750133641104
oct12454762010
93601003047
101421075464
1166a184036
12337ab9774
1319854a573
14d6a3a904
1584b595e4
hex54b3e408

1421075464 has 16 divisors (see below), whose sum is σ = 2750469120. Its totient is φ = 687617040.

The previous prime is 1421075399. The next prime is 1421075473. The reversal of 1421075464 is 4645701241.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2864824 + ... + 2865319.

It is an arithmetic number, because the mean of its divisors is an integer number (171904320).

Almost surely, 21421075464 is an apocalyptic number.

It is an amenable number.

1421075464 is a deficient number, since it is larger than the sum of its proper divisors (1329393656).

1421075464 is a wasteful number, since it uses less digits than its factorization.

1421075464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730180 (or 5730176 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1421075464 is about 37697.1545875813. The cubic root of 1421075464 is about 1124.2745516253.

The spelling of 1421075464 in words is "one billion, four hundred twenty-one million, seventy-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 31 62 124 248 5730143 11460286 22920572 45841144 177634433 355268866 710537732 1421075464