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2303028 = 22327131937
BaseRepresentation
bin1000110010010000110100
311100000011100
420302100310
51042144103
6121210100
725401240
oct10622064
94300140
102303028
111333332
12930930
13628350
1443d420
153075a3
hex232434

2303028 has 144 divisors (see below), whose sum is σ = 7745920. Its totient is φ = 559872.

The previous prime is 2303017. The next prime is 2303029. The reversal of 2303028 is 8203032.

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

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2303028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62226 + ... + 62262.

22303028 is an apocalyptic number.

2303028 is a gapful number since it is divisible by the number (28) 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 2303028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872960).

2303028 is an abundant number, since it is smaller than the sum of its proper divisors (5442892).

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

2303028 is a wasteful number, since it uses less digits than its factorization.

2303028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2303028 is about 1517.5730624916. The cubic root of 2303028 is about 132.0585140025.

The spelling of 2303028 in words is "two million, three hundred three thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 19 21 26 28 36 37 38 39 42 52 57 63 74 76 78 84 91 111 114 117 126 133 148 156 171 182 222 228 234 247 252 259 266 273 333 342 364 399 444 468 481 494 518 532 546 666 684 703 741 777 798 819 962 988 1036 1092 1197 1332 1406 1443 1482 1554 1596 1638 1729 1924 2109 2223 2331 2394 2812 2886 2964 3108 3276 3367 3458 4218 4329 4446 4662 4788 4921 5187 5772 6327 6734 6916 8436 8658 8892 9139 9324 9842 10101 10374 12654 13468 14763 15561 17316 18278 19684 20202 20748 25308 27417 29526 30303 31122 36556 40404 44289 54834 59052 60606 62244 63973 82251 88578 109668 121212 127946 164502 177156 191919 255892 329004 383838 575757 767676 1151514 2303028