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30247896 = 2337217289
BaseRepresentation
bin111001101100…
…0101111011000
32002220202022110
41303120233120
530220413041
63000152320
7515050200
oct163305730
962822273
1030247896
111608a768
12a1686a0
136360a83
144035400
1529c7516
hex1cd8bd8

30247896 has 144 divisors (see below), whose sum is σ = 94494600. Its totient is φ = 8042496.

The previous prime is 30247891. The next prime is 30247927. The reversal of 30247896 is 69874203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30247891) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 339820 + ... + 339908.

Almost surely, 230247896 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 30247896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47247300).

30247896 is an abundant number, since it is smaller than the sum of its proper divisors (64246704).

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

30247896 is a wasteful number, since it uses less digits than its factorization.

30247896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 30247896 is about 5499.8087239467. The cubic root of 30247896 is about 311.5767601094.

The spelling of 30247896 in words is "thirty million, two hundred forty-seven thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 49 51 56 68 84 89 98 102 119 136 147 168 178 196 204 238 267 289 294 356 357 392 408 476 534 578 588 623 712 714 833 867 952 1068 1156 1176 1246 1428 1513 1666 1734 1869 2023 2136 2312 2492 2499 2856 3026 3332 3468 3738 4046 4361 4539 4984 4998 6052 6069 6664 6936 7476 8092 8722 9078 9996 10591 12104 12138 13083 14161 14952 16184 17444 18156 19992 21182 24276 25721 26166 28322 31773 34888 36312 42364 42483 48552 51442 52332 56644 63546 74137 77163 84728 84966 102884 104664 113288 127092 148274 154326 169932 180047 205768 222411 254184 296548 308652 339864 360094 444822 540141 593096 617304 720188 889644 1080282 1260329 1440376 1779288 2160564 2520658 3780987 4321128 5041316 7561974 10082632 15123948 30247896