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1230529100 = 225214998209
BaseRepresentation
bin100100101011000…
…0110001001001100
310011202110100120212
41021112012021030
510010003412400
6322034301552
742331216253
oct11126061114
93152410525
101230529100
115816687a9
122a41278b8
13167c23238
14b95d979a
157306b335
hex4958624c

1230529100 has 36 divisors (see below), whose sum is σ = 2672355000. Its totient is φ = 491823360.

The previous prime is 1230529093. The next prime is 1230529103. The reversal of 1230529100 is 19250321.

It is not an unprimeable number, because it can be changed into a prime (1230529103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145796 + ... + 154004.

Almost surely, 21230529100 is an apocalyptic number.

1230529100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230529100 is an abundant number, since it is smaller than the sum of its proper divisors (1441825900).

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

1230529100 is a wasteful number, since it uses less digits than its factorization.

1230529100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1230529100 is about 35078.8982153089. The cubic root of 1230529100 is about 1071.5948789886.

Adding to 1230529100 its reverse (19250321), we get a palindrome (1249779421).

The spelling of 1230529100 in words is "one billion, two hundred thirty million, five hundred twenty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1499 2998 5996 7495 8209 14990 16418 29980 32836 37475 41045 74950 82090 149900 164180 205225 410450 820900 12305291 24610582 49221164 61526455 123052910 246105820 307632275 615264550 1230529100