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1993337401 = 11792293829
BaseRepresentation
bin111011011001111…
…1110101000111001
312010220211000212011
41312303332220321
513040243244101
6525444045521
7100253042206
oct16663765071
95126730764
101993337401
11933206990
124776938a1
13259c838b3
1414ca42cad
15b9ee8751
hex76cfea39

1993337401 has 8 divisors (see below), whose sum is σ = 2202076800. Its totient is φ = 1789185840.

The previous prime is 1993337399. The next prime is 1993337407. The reversal of 1993337401 is 1047333991.

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

It is a cyclic number.

It is not a de Polignac number, because 1993337401 - 21 = 1993337399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1993337407) 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, 1146046 + ... + 1147783.

It is an arithmetic number, because the mean of its divisors is an integer number (275259600).

Almost surely, 21993337401 is an apocalyptic number.

1993337401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1993337401 is a deficient number, since it is larger than the sum of its proper divisors (208739399).

1993337401 is a wasteful number, since it uses less digits than its factorization.

1993337401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293919.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 1993337401 is about 44646.8072878677. The cubic root of 1993337401 is about 1258.5204353315.

The spelling of 1993337401 in words is "one billion, nine hundred ninety-three million, three hundred thirty-seven thousand, four hundred one".

Divisors: 1 11 79 869 2293829 25232119 181212491 1993337401