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70602030 = 2345101863
BaseRepresentation
bin1000011010101…
…00110100101110
311220211221210000
410031110310232
5121033231110
611001125130
71515051552
oct415246456
9156757700
1070602030
1136942394
121b7897a6
131181c865
14953b862
1562e91c0
hex4354d2e

70602030 has 80 divisors (see below), whose sum is σ = 191942784. Its totient is φ = 18619200.

The previous prime is 70601981. The next prime is 70602047. The reversal of 70602030 is 3020607.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70601994 and 70602012.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 81379 + ... + 82241.

Almost surely, 270602030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70602030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95971392).

70602030 is an abundant number, since it is smaller than the sum of its proper divisors (121340754).

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

70602030 is a wasteful number, since it uses less digits than its factorization.

70602030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 70602030 is about 8402.5014132697. The cubic root of 70602030 is about 413.3066529489.

Adding to 70602030 its reverse (3020607), we get a palindrome (73622637).

The spelling of 70602030 in words is "seventy million, six hundred two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 101 135 162 202 270 303 405 505 606 810 863 909 1010 1515 1726 1818 2589 2727 3030 4315 4545 5178 5454 7767 8181 8630 9090 12945 13635 15534 16362 23301 25890 27270 38835 40905 46602 69903 77670 81810 87163 116505 139806 174326 233010 261489 349515 435815 522978 699030 784467 871630 1307445 1568934 2353401 2614890 3922335 4706802 7060203 7844670 11767005 14120406 23534010 35301015 70602030