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30755088 = 24327132347
BaseRepresentation
bin111010101010…
…0100100010000
32010212112001100
41311110210100
530333130323
63015104400
7522261660
oct165244420
963775040
1030755088
11163a6831
12a372100
1364aa8a0
1441281a0
152a77943
hex1d54910

30755088 has 120 divisors (see below), whose sum is σ = 105979328. Its totient is φ = 8107776.

The previous prime is 30755083. The next prime is 30755093. The reversal of 30755088 is 88055703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30755083) and next prime (30755093).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30755083) 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, 11931 + ... + 14277.

Almost surely, 230755088 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 30755088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52989664).

30755088 is an abundant number, since it is smaller than the sum of its proper divisors (75224240).

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

30755088 is a wasteful number, since it uses less digits than its factorization.

30755088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 30755088 is about 5545.7270037390. The cubic root of 30755088 is about 313.3086062676.

The spelling of 30755088 in words is "thirty million, seven hundred fifty-five thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 2347 3276 4368 4694 6552 7041 9388 13104 14082 16429 18776 21123 28164 30511 32858 37552 42246 49287 56328 61022 65716 84492 91533 98574 112656 122044 131432 147861 168984 183066 197148 213577 244088 262864 274599 295722 337968 366132 394296 427154 488176 549198 591444 640731 732264 788592 854308 1098396 1182888 1281462 1464528 1708616 1922193 2196792 2365776 2562924 3417232 3844386 4393584 5125848 7688772 10251696 15377544 30755088