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1913742 = 232106319
BaseRepresentation
bin111010011001110001110
310121020011100
413103032032
5442214432
6105003530
722160265
oct7231616
93536140
101913742
111097906
127835a6
135200bc
1437b5dc
1527c07c
hex1d338e

1913742 has 12 divisors (see below), whose sum is σ = 4146480. Its totient is φ = 637908.

The previous prime is 1913719. The next prime is 1913749. The reversal of 1913742 is 2473191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53142 + ... + 53177.

It is an arithmetic number, because the mean of its divisors is an integer number (345540).

21913742 is an apocalyptic number.

1913742 is an abundant number, since it is smaller than the sum of its proper divisors (2232738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1913742 is a wasteful number, since it uses less digits than its factorization.

1913742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106327 (or 106324 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1913742 is about 1383.3806417613. The cubic root of 1913742 is about 124.1541181159.

The spelling of 1913742 in words is "one million, nine hundred thirteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 106319 212638 318957 637914 956871 1913742