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1920914 = 22341759
BaseRepresentation
bin111010100111110010010
310121120222222
413110332102
5442432124
6105101042
722220222
oct7247622
93546888
101920914
1110a2236
12787782
13523448
14380082
1527e25e
hex1d4f92

1920914 has 8 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 918676.

The previous prime is 1920913. The next prime is 1920917. The reversal of 1920914 is 4190291.

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

It is a super-3 number, since 3×19209143 = 21264002764333535832, which contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1920911) 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, 20834 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

21920914 is an apocalyptic number.

1920914 is a deficient number, since it is larger than the sum of its proper divisors (1085806).

1920914 is a wasteful number, since it uses less digits than its factorization.

1920914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41784.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1920914 is about 1385.9704181547. The cubic root of 1920914 is about 124.3090194046.

The spelling of 1920914 in words is "one million, nine hundred twenty thousand, nine hundred fourteen".

Divisors: 1 2 23 46 41759 83518 960457 1920914