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1006061420 = 2257135211061
BaseRepresentation
bin111011111101110…
…100011101101100
32121010002012211002
4323331310131230
54030022431140
6243455215432
733634244450
oct7375643554
92533065732
101006061420
11476993921
12240b17578
13130580120
1497888660
155d4cc415
hex3bf7476c

1006061420 has 96 divisors (see below), whose sum is σ = 2607728256. Its totient is φ = 317491200.

The previous prime is 1006061393. The next prime is 1006061431. The reversal of 1006061420 is 241606001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1006061392 and 1006061401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947690 + ... + 948750.

It is an arithmetic number, because the mean of its divisors is an integer number (27163836).

Almost surely, 21006061420 is an apocalyptic number.

1006061420 is a gapful number since it is divisible by the number (10) 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 1006061420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303864128).

1006061420 is an abundant number, since it is smaller than the sum of its proper divisors (1601666836).

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

1006061420 is a wasteful number, since it uses less digits than its factorization.

1006061420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1006061420 is about 31718.4712746374. The cubic root of 1006061420 is about 1002.0164047125.

Adding to 1006061420 its reverse (241606001), we get a palindrome (1247667421).

The spelling of 1006061420 in words is "one billion, six million, sixty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 521 910 1042 1061 1820 2084 2122 2605 3647 4244 5210 5305 6773 7294 7427 10420 10610 13546 13793 14588 14854 18235 21220 27092 27586 29708 33865 36470 37135 47411 55172 67730 68965 72940 74270 94822 96551 135460 137930 148540 189644 193102 237055 275860 386204 474110 482755 552781 948220 965510 1105562 1931020 2211124 2763905 3869467 5527810 7186153 7738934 11055620 14372306 15477868 19347335 28744612 35930765 38694670 50303071 71861530 77389340 100606142 143723060 201212284 251515355 503030710 1006061420