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490525690900 = 225272712585797
BaseRepresentation
bin1110010001101011001…
…11000000110000010100
31201220010120121221110111
413020311213000300110
531014044034102100
61013202215532404
750303453402050
oct7106547006024
91656116557414
10490525690900
1117a037a67883
127b09808a104
133734433c20b
1419a54c22c60
15cb5deb56ba
hex72359c0c14

490525690900 has 72 divisors (see below), whose sum is σ = 1220993129216. Its totient is φ = 167559580800.

The previous prime is 490525690891. The next prime is 490525690903. The reversal of 490525690900 is 9096525094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490525690903) 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, 1103199 + ... + 1482598.

Almost surely, 2490525690900 is an apocalyptic number.

It is an amenable number.

490525690900 is an abundant number, since it is smaller than the sum of its proper divisors (730467438316).

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

490525690900 is a wasteful number, since it uses less digits than its factorization.

490525690900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586089 (or 2586082 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 490525690900 in words is "four hundred ninety billion, five hundred twenty-five million, six hundred ninety thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 271 350 542 700 1084 1355 1897 2710 3794 5420 6775 7588 9485 13550 18970 27100 37940 47425 94850 189700 2585797 5171594 10343188 12928985 18100579 25857970 36201158 51715940 64644925 72402316 90502895 129289850 181005790 258579700 362011580 452514475 700750987 905028950 1401501974 1810057900 2803003948 3503754935 4905256909 7007509870 9810513818 14015019740 17518774675 19621027636 24526284545 35037549350 49052569090 70075098700 98105138180 122631422725 245262845450 490525690900