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3085940 = 2251113283
BaseRepresentation
bin1011110001011001110100
312210210010002
423301121310
51242222230
6150050432
735141624
oct13613164
95723102
103085940
111818570
121049a18
13840800
145a4884
1540e545
hex2f1674

3085940 has 72 divisors (see below), whose sum is σ = 7747488. Its totient is φ = 1023360.

The previous prime is 3085931. The next prime is 3085949. The reversal of 3085940 is 495803.

It is an interprime number because it is at equal distance from previous prime (3085931) and next prime (3085949).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37139 + ... + 37221.

It is an arithmetic number, because the mean of its divisors is an integer number (107604).

Almost surely, 23085940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3085940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3873744).

3085940 is an abundant number, since it is smaller than the sum of its proper divisors (4661548).

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

3085940 is a wasteful number, since it uses less digits than its factorization.

3085940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3085940 is about 1756.6843768873. The cubic root of 3085940 is about 145.5891998792.

The spelling of 3085940 in words is "three million, eighty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 83 110 130 143 166 169 220 260 286 332 338 415 572 676 715 830 845 913 1079 1430 1660 1690 1826 1859 2158 2860 3380 3652 3718 4316 4565 5395 7436 9130 9295 10790 11869 14027 18260 18590 21580 23738 28054 37180 47476 56108 59345 70135 118690 140270 154297 237380 280540 308594 617188 771485 1542970 3085940