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70097500 = 2254112549
BaseRepresentation
bin1000010110110…
…01101001011100
311212220022200201
410023121221130
5120421110000
610542233244
71510550614
oct413315134
9155808621
1070097500
1136628320
121b585824
13116a4015
149449a44
15624996a
hex42d9a5c

70097500 has 60 divisors (see below), whose sum is σ = 167290200. Its totient is φ = 25480000.

The previous prime is 70097483. The next prime is 70097507. The reversal of 70097500 is 579007.

It is a super-3 number, since 3×700975003 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70097507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26226 + ... + 28774.

It is an arithmetic number, because the mean of its divisors is an integer number (2788170).

Almost surely, 270097500 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 70097500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83645100).

70097500 is an abundant number, since it is smaller than the sum of its proper divisors (97192700).

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

70097500 is a wasteful number, since it uses less digits than its factorization.

70097500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 70097500 is about 8372.4249772691. The cubic root of 70097500 is about 412.3197865995.

The spelling of 70097500 in words is "seventy million, ninety-seven thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 625 1100 1250 1375 2500 2549 2750 5098 5500 6875 10196 12745 13750 25490 27500 28039 50980 56078 63725 112156 127450 140195 254900 280390 318625 560780 637250 700975 1274500 1401950 1593125 2803900 3186250 3504875 6372500 7009750 14019500 17524375 35048750 70097500