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1253455230 = 235199209959
BaseRepresentation
bin100101010110110…
…0011010101111110
310020100121010022210
41022231203111332
510031341031410
6324213521250
743030123266
oct11255432576
93210533283
101253455230
115935a7515
122ab943226
1316c8bc4b1
14bc6867a6
1575099220
hex4ab6357e

1253455230 has 32 divisors (see below), whose sum is σ = 3023424000. Its totient is φ = 332573472.

The previous prime is 1253455223. The next prime is 1253455241. The reversal of 1253455230 is 325543521.

It is a super-2 number, since 2×12534552302 = 3142300027228705800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99010 + ... + 110949.

It is an arithmetic number, because the mean of its divisors is an integer number (94482000).

Almost surely, 21253455230 is an apocalyptic number.

1253455230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253455230 is an abundant number, since it is smaller than the sum of its proper divisors (1769968770).

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

1253455230 is a wasteful number, since it uses less digits than its factorization.

1253455230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210168.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1253455230 is about 35404.1696696872. The cubic root of 1253455230 is about 1078.2089742111.

Adding to 1253455230 its reverse (325543521), we get a palindrome (1578998751).

The spelling of 1253455230 in words is "one billion, two hundred fifty-three million, four hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 199 398 597 995 1194 1990 2985 5970 209959 419918 629877 1049795 1259754 2099590 3149385 6298770 41781841 83563682 125345523 208909205 250691046 417818410 626727615 1253455230