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70103340 = 22335131991
BaseRepresentation
bin1000010110110…
…11000100101100
311212220121201000
410023123010230
5120421301330
610542320300
71510603626
oct413330454
9155817630
1070103340
113663174a
121b589090
13116a6888
14944bc16
15624b560
hex42db12c

70103340 has 96 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 18532800.

The previous prime is 70103339. The next prime is 70103401. The reversal of 70103340 is 4330107.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70245 + ... + 71235.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 270103340 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 70103340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).

70103340 is an abundant number, since it is smaller than the sum of its proper divisors (149882580).

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

70103340 is a wasteful number, since it uses less digits than its factorization.

70103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1132 counting only the distinct ones).

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

The square root of 70103340 is about 8372.7737339546. The cubic root of 70103340 is about 412.3312367496.

Adding to 70103340 its reverse (4330107), we get a palindrome (74433447).

The spelling of 70103340 in words is "seventy million, one hundred three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 131 135 180 262 270 393 524 540 655 786 991 1179 1310 1572 1965 1982 2358 2620 2973 3537 3930 3964 4716 4955 5895 5946 7074 7860 8919 9910 11790 11892 14148 14865 17685 17838 19820 23580 26757 29730 35370 35676 44595 53514 59460 70740 89190 107028 129821 133785 178380 259642 267570 389463 519284 535140 649105 778926 1168389 1298210 1557852 1947315 2336778 2596420 3505167 3894630 4673556 5841945 7010334 7789260 11683890 14020668 17525835 23367780 35051670 70103340