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12468400 = 245276173
BaseRepresentation
bin101111100100…
…000010110000
3212110110102121
4233210002300
511142442100
61123124024
7210660010
oct57440260
925413377
1012468400
11704676a
124213614
132777269
141927c40
15116451a
hexbe40b0

12468400 has 120 divisors (see below), whose sum is σ = 35272544. Its totient is φ = 4147200.

The previous prime is 12468397. The next prime is 12468403. The reversal of 12468400 is 486421.

It is an interprime number because it is at equal distance from previous prime (12468397) and next prime (12468403).

It is a super-3 number, since 3×124684003 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12468403) 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, 170764 + ... + 170836.

Almost surely, 212468400 is an apocalyptic number.

12468400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12468400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17636272).

12468400 is an abundant number, since it is smaller than the sum of its proper divisors (22804144).

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

12468400 is a wasteful number, since it uses less digits than its factorization.

12468400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12468400 is about 3531.0621631458. The cubic root of 12468400 is about 231.8837110427.

The spelling of 12468400 in words is "twelve million, four hundred sixty-eight thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 61 70 73 80 100 112 122 140 146 175 200 244 280 292 305 350 365 400 427 488 511 560 584 610 700 730 854 976 1022 1168 1220 1400 1460 1525 1708 1825 2044 2135 2440 2555 2800 2920 3050 3416 3650 4088 4270 4453 4880 5110 5840 6100 6832 7300 8176 8540 8906 10220 10675 12200 12775 14600 17080 17812 20440 21350 22265 24400 25550 29200 31171 34160 35624 40880 42700 44530 51100 62342 71248 85400 89060 102200 111325 124684 155855 170800 178120 204400 222650 249368 311710 356240 445300 498736 623420 779275 890600 1246840 1558550 1781200 2493680 3117100 6234200 12468400