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3148020 = 2232517489
BaseRepresentation
bin1100000000100011110100
312220221021100
430000203310
51301214040
6151250100
735520621
oct14004364
95827240
103148020
111860177
121079930
13862b45
145bd348
15422b30
hex3008f4

3148020 has 36 divisors (see below), whose sum is σ = 9549540. Its totient is φ = 839424.

The previous prime is 3148003. The next prime is 3148031. The reversal of 3148020 is 208413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 2802276 = 588^2 + 1674^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 35 + 1 + 410 + 87 + 0 + 211 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 3147984 and 3148002.

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, 8565 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (265265).

Almost surely, 23148020 is an apocalyptic number.

3148020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3148020 is an abundant number, since it is smaller than the sum of its proper divisors (6401520).

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

3148020 is a wasteful number, since it uses less digits than its factorization.

3148020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504 (or 17499 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3148020 is about 1774.2660454396. The cubic root of 3148020 is about 146.5590004135.

The spelling of 3148020 in words is "three million, one hundred forty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 17489 34978 52467 69956 87445 104934 157401 174890 209868 262335 314802 349780 524670 629604 787005 1049340 1574010 3148020