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70079250 = 2353414353
BaseRepresentation
bin1000010110101…
…01001100010010
311212212101122210
410023111030102
5120420014000
610542012550
71510443453
oct413251422
9155771583
1070079250
113661563a
121b577156
1311698917
14944312a
156244350
hex42d5312

70079250 has 128 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 17472000.

The previous prime is 70079231. The next prime is 70079257. The reversal of 70079250 is 5297007.

It is a happy number.

It is a super-2 number, since 2×700792502 = 9822202561125000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70079257) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1322224 + ... + 1322276.

It is an arithmetic number, because the mean of its divisors is an integer number (1459458).

Almost surely, 270079250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70079250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93405312).

70079250 is an abundant number, since it is smaller than the sum of its proper divisors (116731374).

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

70079250 is a wasteful number, since it uses less digits than its factorization.

70079250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 70079250 is about 8371.3350189799. The cubic root of 70079250 is about 412.2840007810.

The spelling of 70079250 in words is "seventy million, seventy-nine thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 43 50 53 75 82 86 106 123 125 129 150 159 205 215 246 250 258 265 318 375 410 430 530 615 645 750 795 1025 1075 1230 1290 1325 1590 1763 2050 2150 2173 2279 2650 3075 3225 3526 3975 4346 4558 5125 5289 5375 6150 6450 6519 6625 6837 7950 8815 10250 10578 10750 10865 11395 13038 13250 13674 15375 16125 17630 19875 21730 22790 26445 30750 32250 32595 34185 39750 44075 52890 54325 56975 65190 68370 88150 93439 108650 113950 132225 162975 170925 186878 220375 264450 271625 280317 284875 325950 341850 440750 467195 543250 560634 569750 661125 814875 854625 934390 1322250 1401585 1629750 1709250 2335975 2803170 4671950 7007925 11679875 14015850 23359750 35039625 70079250