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1230493200 = 2435219291861
BaseRepresentation
bin100100101010111…
…1101011000010000
310011202101112100020
41021111331120100
510010001240300
6322033423440
742331006506
oct11125753020
93152345306
101230493200
11581643832
122a410ab80
13167c0cab1
14b95ca676
15730608a0
hex4957d610

1230493200 has 240 divisors, whose sum is σ = 4294516800. Its totient is φ = 299980800.

The previous prime is 1230493193. The next prime is 1230493207. The reversal of 1230493200 is 23940321.

It is an interprime number because it is at equal distance from previous prime (1230493193) and next prime (1230493207).

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×12304932002 = 3028227030492480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1230493207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660270 + ... + 662130.

It is an arithmetic number, because the mean of its divisors is an integer number (17893820).

Almost surely, 21230493200 is an apocalyptic number.

1230493200 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 1230493200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147258400).

1230493200 is an abundant number, since it is smaller than the sum of its proper divisors (3064023600).

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

1230493200 is a wasteful number, since it uses less digits than its factorization.

1230493200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1230493200 is about 35078.3865079339. The cubic root of 1230493200 is about 1071.5844578263.

The spelling of 1230493200 in words is "one billion, two hundred thirty million, four hundred ninety-three thousand, two hundred".