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1914038149 = 79107226433
BaseRepresentation
bin111001000010101…
…1110011110000101
311221101121012201211
41302011132132011
512404443210044
6513532251421
765301025102
oct16205363605
94841535654
101914038149
118a2474211
12455010b71
1324670a46a
141422bdaa9
15b3082634
hex7215e785

1914038149 has 8 divisors (see below), whose sum is σ = 1956389760. Its totient is φ = 1872139776.

The previous prime is 1914038129. The next prime is 1914038153. The reversal of 1914038149 is 9418304191.

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 1914038149 - 25 = 1914038117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914038129) 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, 104764 + ... + 121669.

It is an arithmetic number, because the mean of its divisors is an integer number (244548720).

Almost surely, 21914038149 is an apocalyptic number.

It is an amenable number.

1914038149 is a deficient number, since it is larger than the sum of its proper divisors (42351611).

1914038149 is a wasteful number, since it uses less digits than its factorization.

1914038149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226619.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1914038149 is about 43749.7217019720. The cubic root of 1914038149 is about 1241.6052201314.

The spelling of 1914038149 in words is "one billion, nine hundred fourteen million, thirty-eight thousand, one hundred forty-nine".

Divisors: 1 79 107 8453 226433 17888207 24228331 1914038149