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1972314900 = 223352730487
BaseRepresentation
bin111010110001111…
…0010001100010100
312002110020222102000
41311203302030110
513014403034100
6523413315300
766606254133
oct16543621424
95073228360
101972314900
11922358416
12470635b30
13255802c4a
14149d2d91a
15b8244900
hex758f2314

1972314900 has 72 divisors (see below), whose sum is σ = 6340635840. Its totient is φ = 525949920.

The previous prime is 1972314899. The next prime is 1972314907. The reversal of 1972314900 is 94132791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972314907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362544 + ... + 367943.

Almost surely, 21972314900 is an apocalyptic number.

1972314900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1972314900 is an abundant number, since it is smaller than the sum of its proper divisors (4368320940).

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

1972314900 is a wasteful number, since it uses less digits than its factorization.

1972314900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730510 (or 730497 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1972314900 is about 44410.7520764961. The cubic root of 1972314900 is about 1254.0805103869.

The spelling of 1972314900 in words is "one billion, nine hundred seventy-two million, three hundred fourteen thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 135 150 180 225 270 300 450 540 675 900 1350 2700 730487 1460974 2191461 2921948 3652435 4382922 6574383 7304870 8765844 10957305 13148766 14609740 18262175 19723149 21914610 26297532 32871915 36524350 39446298 43829220 54786525 65743830 73048700 78892596 98615745 109573050 131487660 164359575 197231490 219146100 328719150 394462980 493078725 657438300 986157450 1972314900