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1902242 = 219113443
BaseRepresentation
bin111010000011010100010
310120122101102
413100122202
5441332432
6104434402
722111616
oct7203242
93518342
101902242
11108a201
12778a02
13517ab4
14377346
15278962
hex1d06a2

1902242 has 16 divisors (see below), whose sum is σ = 3036960. Its totient is φ = 891072.

The previous prime is 1902239. The next prime is 1902269. The reversal of 1902242 is 2422091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (189810).

21902242 is an apocalyptic number.

1902242 is a deficient number, since it is larger than the sum of its proper divisors (1134718).

1902242 is a wasteful number, since it uses less digits than its factorization.

1902242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1902242 is about 1379.2178943155. The cubic root of 1902242 is about 123.9049305986.

The spelling of 1902242 in words is "one million, nine hundred two thousand, two hundred forty-two".

Divisors: 1 2 19 38 113 226 443 886 2147 4294 8417 16834 50059 100118 951121 1902242