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3129090 = 235372819
BaseRepresentation
bin1011111011111100000010
312212222022020
423323330002
51300112330
6151022310
735411466
oct13737402
95788266
103129090
111847a28
12106a996
13857343
145b64a6
1541c210
hex2fbf02

3129090 has 32 divisors (see below), whose sum is σ = 7715520. Its totient is φ = 811584.

The previous prime is 3129089. The next prime is 3129103. The reversal of 3129090 is 909213.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3129090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (241110).

Almost surely, 23129090 is an apocalyptic number.

3129090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3129090 is an abundant number, since it is smaller than the sum of its proper divisors (4586430).

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

3129090 is a wasteful number, since it uses less digits than its factorization.

3129090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 3129090 is about 1768.9234013942. The cubic root of 3129090 is about 146.2646416782.

The spelling of 3129090 in words is "three million, one hundred twenty-nine thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 2819 5638 8457 14095 16914 28190 42285 84570 104303 208606 312909 521515 625818 1043030 1564545 3129090