Search a number
-
+
1252125400 = 235218113457
BaseRepresentation
bin100101010100001…
…1110101011011000
310020021002120010211
41022220132223120
510031021003100
6324125220504
743012614241
oct11250365330
93207076124
101252125400
11592879389
122ab401734
1316c545106
14bc41bcc8
1574dd51ba
hex4aa1ead8

1252125400 has 48 divisors (see below), whose sum is σ = 2913641640. Its totient is φ = 500428800.

The previous prime is 1252125383. The next prime is 1252125421. The reversal of 1252125400 is 45212521.

Adding to 1252125400 its reverse (45212521), we get a palindrome (1297337921).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360472 + ... + 363928.

Almost surely, 21252125400 is an apocalyptic number.

1252125400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252125400 is an abundant number, since it is smaller than the sum of its proper divisors (1661516240).

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

1252125400 is a wasteful number, since it uses less digits than its factorization.

1252125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1252125400 is about 35385.3839883079. The cubic root of 1252125400 is about 1077.8275373711.

The spelling of 1252125400 in words is "one billion, two hundred fifty-two million, one hundred twenty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1811 3457 3622 6914 7244 9055 13828 14488 17285 18110 27656 34570 36220 45275 69140 72440 86425 90550 138280 172850 181100 345700 362200 691400 6260627 12521254 25042508 31303135 50085016 62606270 125212540 156515675 250425080 313031350 626062700 1252125400