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1230525492 = 223725158363
BaseRepresentation
bin100100101011000…
…0101010000110100
310011202110011122020
41021112011100310
510010003303432
6322034233140
742331202610
oct11126052064
93152404566
101230525492
11581666019
122a41257b0
13167c216c1
14b95d8340
157306a22c
hex49585434

1230525492 has 48 divisors (see below), whose sum is σ = 3294531072. Its totient is φ = 350172000.

The previous prime is 1230525487. The next prime is 1230525533. The reversal of 1230525492 is 2945250321.

It is an alternating number because its digits alternate between odd and even.

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, 8098 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (68636064).

Almost surely, 21230525492 is an apocalyptic number.

1230525492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230525492 is an abundant number, since it is smaller than the sum of its proper divisors (2064005580).

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

1230525492 is a wasteful number, since it uses less digits than its factorization.

1230525492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58628 (or 58626 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1230525492 is about 35078.8467883424. The cubic root of 1230525492 is about 1071.5938316564.

The spelling of 1230525492 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 251 502 753 1004 1506 1757 3012 3514 5271 7028 10542 21084 58363 116726 175089 233452 350178 408541 700356 817082 1225623 1634164 2451246 4902492 14649113 29298226 43947339 58596452 87894678 102543791 175789356 205087582 307631373 410175164 615262746 1230525492