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69042984 = 23317197859
BaseRepresentation
bin1000001110110…
…00001100101000
311210220202011120
410013120030220
5120133333414
610503455240
71465566333
oct407301450
9153822146
1069042984
1135a7801a
121b157520
13113c504a
14925361a
1560dc2a9
hex41d8328

69042984 has 64 divisors (see below), whose sum is σ = 183902400. Its totient is φ = 21525504.

The previous prime is 69042973. The next prime is 69042989. The reversal of 69042984 is 48924096.

It is not an unprimeable number, because it can be changed into a prime (69042989) 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, 79947 + ... + 80805.

It is an arithmetic number, because the mean of its divisors is an integer number (2873475).

Almost surely, 269042984 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 69042984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91951200).

69042984 is an abundant number, since it is smaller than the sum of its proper divisors (114859416).

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

69042984 is a wasteful number, since it uses less digits than its factorization.

69042984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 69042984 is about 8309.2107928491. The cubic root of 69042984 is about 410.2417451988.

The spelling of 69042984 in words is "sixty-nine million, forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 197 204 394 408 591 788 859 1182 1576 1718 2364 2577 3349 3436 4728 5154 6698 6872 10047 10308 13396 14603 20094 20616 26792 29206 40188 43809 58412 80376 87618 116824 169223 175236 338446 350472 507669 676892 1015338 1353784 2030676 2876791 4061352 5753582 8630373 11507164 17260746 23014328 34521492 69042984