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70044744 = 233711291307
BaseRepresentation
bin1000010110011…
…00110001001000
311212210122022210
410023030301020
5120412412434
610541145120
71510241040
oct413146110
9155718283
1070044744
11365a1720
121b55b1a0
1311685cc3
149434720
156238ee9
hex42ccc48

70044744 has 128 divisors (see below), whose sum is σ = 226022400. Its totient is φ = 17552640.

The previous prime is 70044739. The next prime is 70044749. The reversal of 70044744 is 44744007.

It is an interprime number because it is at equal distance from previous prime (70044739) and next prime (70044749).

It is not an unprimeable number, because it can be changed into a prime (70044749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52939 + ... + 54245.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 270044744 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 70044744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113011200).

70044744 is an abundant number, since it is smaller than the sum of its proper divisors (155977656).

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

70044744 is a wasteful number, since it uses less digits than its factorization.

70044744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 70044744 is about 8369.2738036224. The cubic root of 70044744 is about 412.2163221301.

The spelling of 70044744 in words is "seventy million, forty-four thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 29 33 42 44 56 58 66 77 84 87 88 116 132 154 168 174 203 231 232 264 308 319 348 406 462 609 616 638 696 812 924 957 1218 1276 1307 1624 1848 1914 2233 2436 2552 2614 3828 3921 4466 4872 5228 6699 7656 7842 8932 9149 10456 13398 14377 15684 17864 18298 26796 27447 28754 31368 36596 37903 43131 53592 54894 57508 73192 75806 86262 100639 109788 113709 115016 151612 172524 201278 219576 227418 265321 301917 303224 345048 402556 416933 454836 530642 603834 795963 805112 833866 909672 1061284 1207668 1250799 1591926 1667732 2122568 2415336 2501598 2918531 3183852 3335464 5003196 5837062 6367704 8755593 10006392 11674124 17511186 23348248 35022372 70044744