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1420794732 = 2237231973733
BaseRepresentation
bin101010010101111…
…1001101101101100
310200000110211222010
41110223321231230
510402210412412
6352552321220
750131361460
oct12453715554
93600424863
101420794732
1166a002125
123379a3210
1319847c856
14d69a64a0
1584b0133c
hex54af9b6c

1420794732 has 96 divisors (see below), whose sum is σ = 3974648832. Its totient is φ = 386217216.

The previous prime is 1420794731. The next prime is 1420794761. The reversal of 1420794732 is 2374970241.

It is not an unprimeable number, because it can be changed into a prime (1420794731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378738 + ... + 382470.

It is an arithmetic number, because the mean of its divisors is an integer number (41402592).

Almost surely, 21420794732 is an apocalyptic number.

1420794732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420794732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987324416).

1420794732 is an abundant number, since it is smaller than the sum of its proper divisors (2553854100).

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

1420794732 is a wasteful number, since it uses less digits than its factorization.

1420794732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1420794732 is about 37693.4308865617. The cubic root of 1420794732 is about 1124.2005136550.

The spelling of 1420794732 in words is "one billion, four hundred twenty million, seven hundred ninety-four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 197 276 322 394 483 591 644 788 966 1182 1379 1932 2364 2758 3733 4137 4531 5516 7466 8274 9062 11199 13593 14932 16548 18124 22398 26131 27186 31717 44796 52262 54372 63434 78393 85859 95151 104524 126868 156786 171718 190302 257577 313572 343436 380604 515154 601013 735401 1030308 1202026 1470802 1803039 2206203 2404052 2941604 3606078 4412406 5147807 7212156 8824812 10295614 15443421 16914223 20591228 30886842 33828446 50742669 61773684 67656892 101485338 118399561 202970676 236799122 355198683 473598244 710397366 1420794732