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1445045470 = 251131616947
BaseRepresentation
bin101011000100001…
…1010010011011110
310201201002220201121
41112020122103132
510424412423340
6355220201154
750544453361
oct12610322336
93651086647
101445045470
11681766060
12343b391ba
131a04c09bb
14d9cba0d8
1586ce194a
hex5621a4de

1445045470 has 64 divisors (see below), whose sum is σ = 2977523712. Its totient is φ = 500112000.

The previous prime is 1445045447. The next prime is 1445045507. The reversal of 1445045470 is 745405441.

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, 204537 + ... + 211483.

It is an arithmetic number, because the mean of its divisors is an integer number (46523808).

Almost surely, 21445045470 is an apocalyptic number.

1445045470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445045470 is an abundant number, since it is smaller than the sum of its proper divisors (1532478242).

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

1445045470 is a wasteful number, since it uses less digits than its factorization.

1445045470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 1445045470 is about 38013.7536952088. The cubic root of 1445045470 is about 1130.5605775774.

The spelling of 1445045470 in words is "one billion, four hundred forty-five million, forty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 31 55 61 62 110 122 155 305 310 341 610 671 682 1342 1705 1891 3355 3410 3782 6710 6947 9455 13894 18910 20801 34735 41602 69470 76417 104005 152834 208010 215357 382085 423767 430714 764170 847534 1076785 2118835 2153570 2368927 4237670 4661437 4737854 9322874 11844635 13136777 23307185 23689270 26273554 46614370 65683885 131367770 144504547 289009094 722522735 1445045470