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1420935193 = 23197313603
BaseRepresentation
bin101010010110001…
…1100000000011001
310200000201222122101
41110230130000121
510402224411233
6352555323401
750132515126
oct12454340031
93600658571
101420935193
1166a098707
12337a50561
131984cb772
14d6a0174d
1584b2cc7d
hex54b1c019

1420935193 has 8 divisors (see below), whose sum is σ = 1490246208. Its totient is φ = 1352251824.

The previous prime is 1420935181. The next prime is 1420935199. The reversal of 1420935193 is 3915390241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420935193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420935199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152271 + ... + 161332.

It is an arithmetic number, because the mean of its divisors is an integer number (186280776).

Almost surely, 21420935193 is an apocalyptic number.

It is an amenable number.

1420935193 is a deficient number, since it is larger than the sum of its proper divisors (69311015).

1420935193 is a wasteful number, since it uses less digits than its factorization.

1420935193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313823.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1420935193 is about 37695.2940431561. The cubic root of 1420935193 is about 1124.2375589137.

The spelling of 1420935193 in words is "one billion, four hundred twenty million, nine hundred thirty-five thousand, one hundred ninety-three".

Divisors: 1 23 197 4531 313603 7212869 61779791 1420935193