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1398230532 = 223361212239
BaseRepresentation
bin101001101010111…
…0100111000000100
310121110000110201000
41103111310320010
510330421334112
6350424533300
746435522566
oct12325647004
93543013630
101398230532
116582a0326
12330321230
131938ac25a
14d39b1336
1582b457dc
hex53574e04

1398230532 has 48 divisors (see below), whose sum is σ = 3684486400. Its totient is φ = 458434080.

The previous prime is 1398230531. The next prime is 1398230573. The reversal of 1398230532 is 2350328931.

1398230532 is a `hidden beast` number, since 1 + 3 + 98 + 2 + 30 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1398230531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99532 + ... + 112707.

Almost surely, 21398230532 is an apocalyptic number.

1398230532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1398230532 is an abundant number, since it is smaller than the sum of its proper divisors (2286255868).

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

1398230532 is a wasteful number, since it uses less digits than its factorization.

1398230532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212313 (or 212305 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1398230532 is about 37392.9208808298. The cubic root of 1398230532 is about 1118.2174375977.

The spelling of 1398230532 in words is "one billion, three hundred ninety-eight million, two hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 61 108 122 183 244 366 549 732 1098 1647 2196 3294 6588 212239 424478 636717 848956 1273434 1910151 2546868 3820302 5730453 7640604 11460906 12946579 22921812 25893158 38839737 51786316 77679474 116519211 155358948 233038422 349557633 466076844 699115266 1398230532