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1427485680 = 24345220291
BaseRepresentation
bin101010100010101…
…1011001111110000
310200111001210020000
41111011123033300
510410414020210
6353351550000
750242266555
oct12505331760
93614053200
101427485680
11672862135
1233a08b300
131999831aa
14d7828a2c
15854c3ac0
hex5515b3f0

1427485680 has 100 divisors (see below), whose sum is σ = 4957891752. Its totient is φ = 380661120.

The previous prime is 1427485669. The next prime is 1427485693. The reversal of 1427485680 is 865847241.

1427485680 is a `hidden beast` number, since 1 + 42 + 7 + 48 + 568 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103666 + ... + 116625.

Almost surely, 21427485680 is an apocalyptic number.

1427485680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427485680 is an abundant number, since it is smaller than the sum of its proper divisors (3530406072).

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

1427485680 is a wasteful number, since it uses less digits than its factorization.

1427485680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220316 (or 220301 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1427485680 is about 37782.0814672776. The cubic root of 1427485680 is about 1125.9624829887.

The spelling of 1427485680 in words is "one billion, four hundred twenty-seven million, four hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 270 324 360 405 432 540 648 720 810 1080 1296 1620 2160 3240 6480 220291 440582 660873 881164 1101455 1321746 1762328 1982619 2202910 2643492 3304365 3524656 3965238 4405820 5286984 5947857 6608730 7930476 8811640 9913095 10573968 11895714 13217460 15860952 17623280 17843571 19826190 23791428 26434920 29739285 31721904 35687142 39652380 47582856 52869840 59478570 71374284 79304760 89217855 95165712 118957140 142748568 158609520 178435710 237914280 285497136 356871420 475828560 713742840 1427485680