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70043952 = 24311532503
BaseRepresentation
bin1000010110011…
…00100100110000
311212210121020110
410023030210300
5120412401302
610541141320
71510235526
oct413144460
9155717213
1070043952
11365a1070
121b55a840
1311685834
149434316
156238b6c
hex42cc930

70043952 has 80 divisors (see below), whose sum is σ = 201201408. Its totient is φ = 20816640.

The previous prime is 70043891. The next prime is 70043957. The reversal of 70043952 is 25934007.

It is not an unprimeable number, because it can be changed into a prime (70043957) 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, 26733 + ... + 29235.

Almost surely, 270043952 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 70043952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100600704).

70043952 is an abundant number, since it is smaller than the sum of its proper divisors (131157456).

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

70043952 is a wasteful number, since it uses less digits than its factorization.

70043952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 70043952 is about 8369.2264875555. The cubic root of 70043952 is about 412.2147684729.

Adding to 70043952 its reverse (25934007), we get a palindrome (95977959).

The spelling of 70043952 in words is "seventy million, forty-three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 53 66 88 106 132 159 176 212 264 318 424 528 583 636 848 1166 1272 1749 2332 2503 2544 3498 4664 5006 6996 7509 9328 10012 13992 15018 20024 27533 27984 30036 40048 55066 60072 82599 110132 120144 132659 165198 220264 265318 330396 397977 440528 530636 660792 795954 1061272 1321584 1459249 1591908 2122544 2918498 3183816 4377747 5836996 6367632 8755494 11673992 17510988 23347984 35021976 70043952