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1047193020 = 2232531187669
BaseRepresentation
bin111110011010101…
…110010110111100
32200222110220202200
4332122232112330
54121040134040
6251524551500
734643664606
oct7632562674
92628426680
101047193020
11498127685
12252852590
13138c51a53
149d114176
1561e04630
hex3e6ae5bc

1047193020 has 72 divisors (see below), whose sum is σ = 3278970240. Its totient is φ = 270241920.

The previous prime is 1047193001. The next prime is 1047193031. The reversal of 1047193020 is 203917401.

It is a super-2 number, since 2×10471930202 = 2193226442273440800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88255 + ... + 99414.

Almost surely, 21047193020 is an apocalyptic number.

1047193020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047193020 is an abundant number, since it is smaller than the sum of its proper divisors (2231777220).

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

1047193020 is a wasteful number, since it uses less digits than its factorization.

1047193020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187715 (or 187710 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1047193020 is about 32360.3618644786. The cubic root of 1047193020 is about 1015.4898328930.

It can be divided in two parts, 104 and 7193020, that added together give a square (7193124 = 26822).

The spelling of 1047193020 in words is "one billion, forty-seven million, one hundred ninety-three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 187669 375338 563007 750676 938345 1126014 1689021 1876690 2252028 2815035 3378042 3753380 5630070 5817739 6756084 8445105 11260140 11635478 16890210 17453217 23270956 29088695 33780420 34906434 52359651 58177390 69812868 87266085 104719302 116354780 174532170 209438604 261798255 349064340 523596510 1047193020