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3145356 = 2232412131
BaseRepresentation
bin1011111111111010001100
312220210121200
423333322030
51301122411
6151225500
735510064
oct13777214
95823550
103145356
111859175
121078290
13861876
145bc3a4
15421e56
hex2ffe8c

3145356 has 36 divisors (see below), whose sum is σ = 8148504. Its totient is φ = 1022400.

The previous prime is 3145339. The next prime is 3145361. The reversal of 3145356 is 6535413.

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

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, 411 + ... + 2541.

Almost surely, 23145356 is an apocalyptic number.

3145356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4074252).

3145356 is an abundant number, since it is smaller than the sum of its proper divisors (5003148).

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

3145356 is a wasteful number, since it uses less digits than its factorization.

3145356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2177 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3145356 is about 1773.5151535862. The cubic root of 3145356 is about 146.5176470800.

The spelling of 3145356 in words is "three million, one hundred forty-five thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 164 246 369 492 738 1476 2131 4262 6393 8524 12786 19179 25572 38358 76716 87371 174742 262113 349484 524226 786339 1048452 1572678 3145356