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70234464 = 2531037103
BaseRepresentation
bin1000010111110…
…11000101100000
311220011021120110
410023323011200
5120440000324
610545211320
71511661126
oct413730540
9156137513
1070234464
1136711213
121b630b40
1311721471
149483916
156275329
hex42fb160

70234464 has 48 divisors (see below), whose sum is σ = 186181632. Its totient is φ = 23180928.

The previous prime is 70234453. The next prime is 70234501. The reversal of 70234464 is 46443207.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (3878784).

Almost surely, 270234464 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 70234464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93090816).

70234464 is an abundant number, since it is smaller than the sum of its proper divisors (115947168).

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

70234464 is a wasteful number, since it uses less digits than its factorization.

70234464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 7211 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 70234464 is about 8380.6004558146. The cubic root of 70234464 is about 412.5881567323.

The spelling of 70234464 in words is "seventy million, two hundred thirty-four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 103 206 309 412 618 824 1236 1648 2472 3296 4944 7103 9888 14206 21309 28412 42618 56824 85236 113648 170472 227296 340944 681888 731609 1463218 2194827 2926436 4389654 5852872 8779308 11705744 17558616 23411488 35117232 70234464