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3456990 = 232571541
BaseRepresentation
bin1101001011111111011110
320111122002200
431023333132
51341110430
6202032330
741245455
oct15137736
96448080
103456990
111a51319
1211a86a6
13940674
1465db9c
15484460
hex34bfde

3456990 has 48 divisors (see below), whose sum is σ = 9131616. Its totient is φ = 907200.

The previous prime is 3456979. The next prime is 3457007. The reversal of 3456990 is 996543.

3456990 is a `hidden beast` number, since 3 + 4 + 569 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6120 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (190242).

Almost surely, 23456990 is an apocalyptic number.

3456990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3456990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4565808).

3456990 is an abundant number, since it is smaller than the sum of its proper divisors (5674626).

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

3456990 is a wasteful number, since it uses less digits than its factorization.

3456990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3456990 is about 1859.2982547187. The cubic root of 3456990 is about 151.2049612045.

The spelling of 3456990 in words is "three million, four hundred fifty-six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 355 426 541 639 710 1065 1082 1278 1623 2130 2705 3195 3246 4869 5410 6390 8115 9738 16230 24345 38411 48690 76822 115233 192055 230466 345699 384110 576165 691398 1152330 1728495 3456990