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3430890 = 233597131
BaseRepresentation
bin1101000101100111101010
320110022022000
431011213222
51334242030
6201311430
741106411
oct15054752
96408260
103430890
111a33751
121195576
13931818
14654478
1547b860
hex3459ea

3430890 has 64 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 898560.

The previous prime is 3430883. The next prime is 3430897. The reversal of 3430890 is 980343.

3430890 is a nontrivial binomial coefficient, being equal to C(2620, 2).

It is an interprime number because it is at equal distance from previous prime (3430883) and next prime (3430897).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3430897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26125 + ... + 26255.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

Almost surely, 23430890 is an apocalyptic number.

3430890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3430890 is the 2619-th triangular number and also the 1310-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3430890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4656960).

3430890 is an abundant number, since it is smaller than the sum of its proper divisors (5883030).

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

3430890 is a wasteful number, since it uses less digits than its factorization.

3430890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3430890 is about 1852.2661795757. The cubic root of 3430890 is about 150.8234710305.

The spelling of 3430890 in words is "three million, four hundred thirty thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 97 131 135 194 262 270 291 393 485 582 655 786 873 970 1179 1310 1455 1746 1965 2358 2619 2910 3537 3930 4365 5238 5895 7074 8730 11790 12707 13095 17685 25414 26190 35370 38121 63535 76242 114363 127070 190605 228726 343089 381210 571815 686178 1143630 1715445 3430890