Search a number
-
+
1005038630 = 251912741651
BaseRepresentation
bin111011111001111…
…010110000100110
32121001011020210222
4323321322300212
54024242214010
6243421244342
733622454531
oct7371726046
92531136728
101005038630
11476355442
122407036b2
131302b271b
149769da18
155d379355
hex3be7ac26

1005038630 has 32 divisors (see below), whose sum is σ = 1919324160. Its totient is φ = 377848800.

The previous prime is 1005038621. The next prime is 1005038701. The reversal of 1005038630 is 368305001.

It is a self number, because there is not a number n which added to its sum of digits gives 1005038630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3305 + ... + 44955.

It is an arithmetic number, because the mean of its divisors is an integer number (59978880).

Almost surely, 21005038630 is an apocalyptic number.

1005038630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005038630 is a deficient number, since it is larger than the sum of its proper divisors (914285530).

1005038630 is a wasteful number, since it uses less digits than its factorization.

1005038630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41804.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1005038630 is about 31702.3442350877. The cubic root of 1005038630 is about 1001.6767303374.

The spelling of 1005038630 in words is "one billion, five million, thirty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 19 38 95 127 190 254 635 1270 2413 4826 12065 24130 41651 83302 208255 416510 791369 1582738 3956845 5289677 7913690 10579354 26448385 52896770 100503863 201007726 502519315 1005038630