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445514070 = 235176831279
BaseRepresentation
bin11010100011100…
…000000101010110
31011001022110102010
4122203200011112
51403022422240
6112112525050
714016543561
oct3243400526
91131273363
10445514070
11209532351
12105250786
13713b8bc1
14432514d8
15291a4280
hex1a8e0156

445514070 has 64 divisors (see below), whose sum is σ = 1134673920. Its totient is φ = 111564288.

The previous prime is 445514063. The next prime is 445514107. The reversal of 445514070 is 70415544.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347691 + ... + 348969.

It is an arithmetic number, because the mean of its divisors is an integer number (17729280).

Almost surely, 2445514070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445514070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567336960).

445514070 is an abundant number, since it is smaller than the sum of its proper divisors (689159850).

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

445514070 is a wasteful number, since it uses less digits than its factorization.

445514070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 445514070 is about 21107.2042203604. The cubic root of 445514070 is about 763.7545457035.

The spelling of 445514070 in words is "four hundred forty-five million, five hundred fourteen thousand, seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 683 1279 1366 2049 2558 3415 3837 4098 6395 6830 7674 10245 11611 12790 19185 20490 21743 23222 34833 38370 43486 58055 65229 69666 108715 116110 130458 174165 217430 326145 348330 652290 873557 1747114 2620671 4367785 5241342 8735570 13103355 14850469 26206710 29700938 44551407 74252345 89102814 148504690 222757035 445514070