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70323448 = 2313976971
BaseRepresentation
bin1000011000100…
…00110011111000
311220022210122011
410030100303320
5121000322243
610551135304
71512511426
oct414206370
9156283564
1070323448
1136772058
121b674534
1311752b10
1494a8116
15629189d
hex4310cf8

70323448 has 32 divisors (see below), whose sum is σ = 143483760. Its totient is φ = 32117760.

The previous prime is 70323431. The next prime is 70323467. The reversal of 70323448 is 84432307.

It is a happy number.

It is a super-3 number, since 3×703234483 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6603 + ... + 13573.

Almost surely, 270323448 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 70323448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71741880).

70323448 is an abundant number, since it is smaller than the sum of its proper divisors (73160312).

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

70323448 is a wasteful number, since it uses less digits than its factorization.

70323448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 70323448 is about 8385.9077028071. The cubic root of 70323448 is about 412.7623269257.

The spelling of 70323448 in words is "seventy million, three hundred twenty-three thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 6971 10088 13942 27884 55768 90623 181246 362492 676187 724984 1352374 2704748 5409496 8790431 17580862 35161724 70323448