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1892234090 = 255327712889
BaseRepresentation
bin111000011001001…
…0011001101101010
311212212120110012002
41300302103031222
512333402442330
6511433051002
764614503315
oct16062231552
94785513162
101892234090
1189113152a
12449856a62
13242044b56
1413d44597c
15b11c6e45
hex70c9336a

1892234090 has 32 divisors (see below), whose sum is σ = 3483084240. Its totient is φ = 739874304.

The previous prime is 1892234051. The next prime is 1892234093. The reversal of 1892234090 is 904322981.

It can be written as a sum of positive squares in 8 ways, for example, as 840594049 + 1051640041 = 28993^2 + 32429^2 .

It is not an unprimeable number, because it can be changed into a prime (1892234093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140366 + ... + 153254.

Almost surely, 21892234090 is an apocalyptic number.

1892234090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1892234090 is a deficient number, since it is larger than the sum of its proper divisors (1590850150).

1892234090 is a wasteful number, since it uses less digits than its factorization.

1892234090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1892234090 is about 43499.8171260524. The cubic root of 1892234090 is about 1236.8725580268.

The spelling of 1892234090 in words is "one billion, eight hundred ninety-two million, two hundred thirty-four thousand, ninety".

Divisors: 1 2 5 10 53 106 265 277 530 554 1385 2770 12889 14681 25778 29362 64445 73405 128890 146810 683117 1366234 3415585 3570253 6831170 7140506 17851265 35702530 189223409 378446818 946117045 1892234090