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70323552 = 2534132087
BaseRepresentation
bin1000011000100…
…00110101100000
311220022210210000
410030100311200
5121000323202
610551140000
71512511635
oct414206540
9156283700
1070323552
1136772142
121b674600
1311752b90
1494a818c
15629191c
hex4310d60

70323552 has 120 divisors (see below), whose sum is σ = 222835536. Its totient is φ = 21627648.

The previous prime is 70323511. The next prime is 70323553. The reversal of 70323552 is 25532307.

It is a super-3 number, since 3×703235523 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70323553) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32653 + ... + 34739.

Almost surely, 270323552 is an apocalyptic number.

70323552 is a gapful number since it is divisible by the number (72) 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 70323552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111417768).

70323552 is an abundant number, since it is smaller than the sum of its proper divisors (152511984).

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

70323552 is a wasteful number, since it uses less digits than its factorization.

70323552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 70323552 is about 8385.9139036840. The cubic root of 70323552 is about 412.7625304011.

Adding to 70323552 its reverse (25532307), we get a palindrome (95855859).

The spelling of 70323552 in words is "seventy million, three hundred twenty-three thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 208 216 234 288 312 324 351 416 432 468 624 648 702 864 936 1053 1248 1296 1404 1872 2087 2106 2592 2808 3744 4174 4212 5616 6261 8348 8424 11232 12522 16696 16848 18783 25044 27131 33392 33696 37566 50088 54262 56349 66784 75132 81393 100176 108524 112698 150264 162786 169047 200352 217048 225396 244179 300528 325572 338094 434096 450792 488358 601056 651144 676188 732537 868192 901584 976716 1302288 1352376 1465074 1803168 1953432 2197611 2604576 2704752 2930148 3906864 4395222 5409504 5860296 7813728 8790444 11720592 17580888 23441184 35161776 70323552