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3070530 = 2325109313
BaseRepresentation
bin1011101101101001000010
312202222222100
423231221002
51241224110
6145451230
735045661
oct13555102
95688870
103070530
111807a31
121040b16
138367a8
1459cdd8
15409bc0
hex2eda42

3070530 has 48 divisors (see below), whose sum is σ = 8082360. Its totient is φ = 808704.

The previous prime is 3070513. The next prime is 3070541. The reversal of 3070530 is 350703.

3070530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1750329 + 1320201 = 1323^2 + 1149^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9654 + ... + 9966.

Almost surely, 23070530 is an apocalyptic number.

3070530 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 3070530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4041180).

3070530 is an abundant number, since it is smaller than the sum of its proper divisors (5011830).

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

3070530 is a wasteful number, since it uses less digits than its factorization.

3070530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 3070530 is about 1752.2927837550. The cubic root of 3070530 is about 145.3464565112.

It can be divided in two parts, 3070 and 530, that added together give a square (3600 = 602).

The spelling of 3070530 in words is "three million, seventy thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 109 218 313 327 545 626 654 939 981 1090 1565 1635 1878 1962 2817 3130 3270 4695 4905 5634 9390 9810 14085 28170 34117 68234 102351 170585 204702 307053 341170 511755 614106 1023510 1535265 3070530