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1232130900 = 22352711213373
BaseRepresentation
bin100100101110000…
…1101001101010100
310011212110201211210
41021130031031110
510010411142100
6322132501420
742350640240
oct11134151524
93155421753
101232130900
11582562200
122a477a870
13168364350
14b98d5420
1573285c50
hex4970d354

1232130900 has 432 divisors, whose sum is σ = 4835718272. Its totient is φ = 235699200.

The previous prime is 1232130883. The next prime is 1232130931. The reversal of 1232130900 is 90312321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3303114 + ... + 3303486.

Almost surely, 21232130900 is an apocalyptic number.

1232130900 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 1232130900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417859136).

1232130900 is an abundant number, since it is smaller than the sum of its proper divisors (3603587372).

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

1232130900 is a wasteful number, since it uses less digits than its factorization.

1232130900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1232130900 is about 35101.7221799729. The cubic root of 1232130900 is about 1072.0596482830.

The spelling of 1232130900 in words is "one billion, two hundred thirty-two million, one hundred thirty thousand, nine hundred".