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1394606420 = 225193439823
BaseRepresentation
bin101001100100000…
…0000000101010100
310121012012100100122
41103020000011110
510324004401140
6350215131112
746362646634
oct12310000524
93535170318
101394606420
11656245499
1232b073a98
13192c107cc
14d330a6c4
158267bab5
hex53200154

1394606420 has 48 divisors (see below), whose sum is σ = 2954138880. Its totient is φ = 553015296.

The previous prime is 1394606387. The next prime is 1394606429. The reversal of 1394606420 is 246064931.

1394606420 = T496 + T497 + ... + T2039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394606429) 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, 1694129 + ... + 1694951.

It is an arithmetic number, because the mean of its divisors is an integer number (61544560).

Almost surely, 21394606420 is an apocalyptic number.

1394606420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394606420 is an abundant number, since it is smaller than the sum of its proper divisors (1559532460).

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

1394606420 is a wasteful number, since it uses less digits than its factorization.

1394606420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1394606420 is about 37344.4295712225. The cubic root of 1394606420 is about 1117.2504888977.

The spelling of 1394606420 in words is "one billion, three hundred ninety-four million, six hundred six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 439 772 823 878 965 1646 1756 1930 2195 3292 3860 4115 4390 8230 8780 16460 84727 158839 169454 317678 338908 361297 423635 635356 722594 794195 847270 1445188 1588390 1694540 1806485 3176780 3612970 7225940 69730321 139460642 278921284 348651605 697303210 1394606420