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70701072 = 24313293907
BaseRepresentation
bin1000011011011…
…01000000010000
311221000222122020
410031231000100
5121044413242
611003211440
71515643401
oct415550020
9157028566
1070701072
11369aa842
121b816b80
1311855970
1495659a8
1563186ec
hex436d010

70701072 has 80 divisors (see below), whose sum is σ = 203528640. Its totient is φ = 20998656.

The previous prime is 70701067. The next prime is 70701077. The reversal of 70701072 is 27010707.

It is an interprime number because it is at equal distance from previous prime (70701067) and next prime (70701077).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70701077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16143 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (2544108).

Almost surely, 270701072 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 70701072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101764320).

70701072 is an abundant number, since it is smaller than the sum of its proper divisors (132827568).

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

70701072 is a wasteful number, since it uses less digits than its factorization.

70701072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 70701072 is about 8408.3929499043. The cubic root of 70701072 is about 413.4998277111.

Adding to 70701072 its reverse (27010707), we get a palindrome (97711779).

The spelling of 70701072 in words is "seventy million, seven hundred one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 39 48 52 58 78 87 104 116 156 174 208 232 312 348 377 464 624 696 754 1131 1392 1508 2262 3016 3907 4524 6032 7814 9048 11721 15628 18096 23442 31256 46884 50791 62512 93768 101582 113303 152373 187536 203164 226606 304746 339909 406328 453212 609492 679818 812656 906424 1218984 1359636 1472939 1812848 2437968 2719272 2945878 4418817 5438544 5891756 8837634 11783512 17675268 23567024 35350536 70701072