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1478808001 = 11134437091
BaseRepresentation
bin101100000100100…
…1101000111000001
310211001122020012201
41120021031013001
511012033324001
6402423553201
751434442406
oct13011150701
93731566181
101478808001
11699826380
123532bb801
131a74b2428
141005882ad
1589c60501
hex5824d1c1

1478808001 has 4 divisors (see below), whose sum is σ = 1613245104. Its totient is φ = 1344370900.

The previous prime is 1478807947. The next prime is 1478808017. The reversal of 1478808001 is 1008088741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1008088741 = 1191644431.

It is a cyclic number.

It is not a de Polignac number, because 1478808001 - 221 = 1476710849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478808091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67218535 + ... + 67218556.

It is an arithmetic number, because the mean of its divisors is an integer number (403311276).

Almost surely, 21478808001 is an apocalyptic number.

1478808001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1478808001 is a deficient number, since it is larger than the sum of its proper divisors (134437103).

1478808001 is a wasteful number, since it uses less digits than its factorization.

1478808001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134437102.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 1478808001 is about 38455.2727333977. The cubic root of 1478808001 is about 1139.2978134453.

The spelling of 1478808001 in words is "one billion, four hundred seventy-eight million, eight hundred eight thousand, one".

Divisors: 1 11 134437091 1478808001