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1233990 = 232513711
BaseRepresentation
bin100101101010001000110
32022200201100
410231101012
5303441430
642240530
713326432
oct4552106
92280640
101233990
1177312a
124b6146
13342894
142419c2
15195960
hex12d446

1233990 has 24 divisors (see below), whose sum is σ = 3208608. Its totient is φ = 329040.

The previous prime is 1233983. The next prime is 1234001. The reversal of 1233990 is 993321.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6766 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (133692).

21233990 is an apocalyptic number.

1233990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1233990 is an abundant number, since it is smaller than the sum of its proper divisors (1974618).

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

1233990 is a wasteful number, since it uses less digits than its factorization.

1233990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724 (or 13721 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1233990 is about 1110.8510251154. The cubic root of 1233990 is about 107.2598569518.

The spelling of 1233990 in words is "one million, two hundred thirty-three thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 13711 27422 41133 68555 82266 123399 137110 205665 246798 411330 616995 1233990