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19482576400 = 2452729972
BaseRepresentation
bin10010001001010000…
…001000011000010000
31212021202220102111201
4102021100020120100
5304400014421100
612541123120544
71256540111200
oct221120103020
955252812451
1019482576400
118298452011
123938813154
131ab6432021
14d2b6b6400
1579061036a
hex489408610

19482576400 has 135 divisors (see below), whose sum is σ = 54503498439. Its totient is φ = 6673040640.

The previous prime is 19482576341. The next prime is 19482576409. The reversal of 19482576400 is 467528491.

The square root of 19482576400 is 139580.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1298593296 + 18183983104 = 36036^2 + 134848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19482576409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19540702 + ... + 19541698.

Almost surely, 219482576400 is an apocalyptic number.

19482576400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19482576400 is the 139580-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19482576400

19482576400 is an abundant number, since it is smaller than the sum of its proper divisors (35020922039).

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

19482576400 is an frugal number, since it uses more digits than its factorization.

19482576400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 19482576400 in words is "nineteen billion, four hundred eighty-two million, five hundred seventy-six thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 140 175 196 200 245 280 350 392 400 490 560 700 784 980 997 1225 1400 1960 1994 2450 2800 3920 3988 4900 4985 6979 7976 9800 9970 13958 15952 19600 19940 24925 27916 34895 39880 48853 49850 55832 69790 79760 97706 99700 111664 139580 174475 195412 199400 244265 279160 348950 390824 398800 488530 558320 697900 781648 977060 994009 1221325 1395800 1954120 1988018 2442650 2791600 3908240 3976036 4885300 4970045 6958063 7952072 9770600 9940090 13916126 15904144 19541200 19880180 24850225 27832252 34790315 39760360 48706441 49700450 55664504 69580630 79520720 97412882 99400900 111329008 139161260 173951575 194825764 198801800 243532205 278322520 347903150 389651528 397603600 487064410 556645040 695806300 779303056 974128820 1217661025 1391612600 1948257640 2435322050 2783225200 3896515280 4870644100 9741288200 19482576400