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1427152580 = 225731328837
BaseRepresentation
bin101010100010000…
…1001111011000100
310200110102212021222
41111010021323010
510410322340310
6353340455512
750236411460
oct12504117304
93613385258
101427152580
11672654947
12339b4a598
131998976a9
14d777d4a0
158545a055
hex55109ec4

1427152580 has 48 divisors (see below), whose sum is σ = 3535666176. Its totient is φ = 473523840.

The previous prime is 1427152577. The next prime is 1427152591. The reversal of 1427152580 is 852517241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1427152580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160079 + ... + 168758.

It is an arithmetic number, because the mean of its divisors is an integer number (73659712).

Almost surely, 21427152580 is an apocalyptic number.

1427152580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427152580 is an abundant number, since it is smaller than the sum of its proper divisors (2108513596).

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

1427152580 is a wasteful number, since it uses less digits than its factorization.

1427152580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328884 (or 328882 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 1427152580 is about 37777.6730358025. The cubic root of 1427152580 is about 1125.8748960553.

The spelling of 1427152580 in words is "one billion, four hundred twenty-seven million, one hundred fifty-two thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 328837 657674 1315348 1644185 2301859 3288370 4603718 6576740 9207436 10193947 11509295 20387894 23018590 40775788 46037180 50969735 71357629 101939470 142715258 203878940 285430516 356788145 713576290 1427152580