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1937142 = 233291237
BaseRepresentation
bin111011000111011110110
310122102021000
413120323312
5443442032
6105304130
722315434
oct7307366
93572230
101937142
111103449
12795046
1352a94c
14385d54
15283e7c
hex1d8ef6

1937142 has 32 divisors (see below), whose sum is σ = 4456800. Its totient is φ = 622944.

The previous prime is 1937123. The next prime is 1937153. The reversal of 1937142 is 2417391.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (139275).

21937142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1937142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228400).

1937142 is an abundant number, since it is smaller than the sum of its proper divisors (2519658).

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

1937142 is a wasteful number, since it uses less digits than its factorization.

1937142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1271 counting only the distinct ones).

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

The square root of 1937142 is about 1391.8124873703. The cubic root of 1937142 is about 124.6580949937.

Subtracting 1937142 from its reverse (2417391), we obtain a square (480249 = 6932).

The spelling of 1937142 in words is "one million, nine hundred thirty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1237 1566 2474 3711 7422 11133 22266 33399 35873 66798 71746 107619 215238 322857 645714 968571 1937142