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1930242 = 23321707
BaseRepresentation
bin111010111010000000010
310122001210110
413113100002
5443231432
6105212150
722256346
oct7272002
93561713
101930242
1110a9246
12791056
13527772
14383626
15281dcc
hex1d7402

1930242 has 8 divisors (see below), whose sum is σ = 3860496. Its totient is φ = 643412.

The previous prime is 1930237. The next prime is 1930249. The reversal of 1930242 is 2420391.

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

1930242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1930249) 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, 160848 + ... + 160859.

It is an arithmetic number, because the mean of its divisors is an integer number (482562).

21930242 is an apocalyptic number.

1930242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1930242 is a wasteful number, since it uses less digits than its factorization.

1930242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321712.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1930242 is about 1389.3314939207. The cubic root of 1930242 is about 124.5099103416.

The spelling of 1930242 in words is "one million, nine hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 321707 643414 965121 1930242