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1420655464 = 234731112149
BaseRepresentation
bin101010010101101…
…0111101101101000
310200000012202221001
41110223113231220
510402141433324
6352545324344
750130241444
oct12453275550
93600182831
101420655464
11669a17528
123379366b4
13198431347
14d696b824
1584ac4e44
hex54ad7b68

1420655464 has 32 divisors (see below), whose sum is σ = 2729376000. Its totient is φ = 692921920.

The previous prime is 1420655461. The next prime is 1420655491. The reversal of 1420655464 is 4645560241.

It is not an unprimeable number, because it can be changed into a prime (1420655461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110862 + ... + 123010.

It is an arithmetic number, because the mean of its divisors is an integer number (85293000).

Almost surely, 21420655464 is an apocalyptic number.

It is an amenable number.

1420655464 is a deficient number, since it is larger than the sum of its proper divisors (1308720536).

1420655464 is a wasteful number, since it uses less digits than its factorization.

1420655464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513 (or 12509 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1420655464 is about 37691.5834636859. The cubic root of 1420655464 is about 1124.1637806282.

The spelling of 1420655464 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 47 94 188 311 376 622 1244 2488 12149 14617 24298 29234 48596 58468 97192 116936 571003 1142006 2284012 3778339 4568024 7556678 15113356 30226712 177581933 355163866 710327732 1420655464