Search a number
-
+
103132990 = 25293491019
BaseRepresentation
bin1100010010110…
…10111100111110
321012001200212101
412021122330332
5202400223430
614122255314
72361421162
oct611327476
9235050771
10103132990
1153241384
122a65753a
131849c84c
14d9a8ca2
1590c2dca
hex625af3e

103132990 has 32 divisors (see below), whose sum is σ = 192780000. Its totient is φ = 39677568.

The previous prime is 103132987. The next prime is 103133027. The reversal of 103132990 is 99231301.

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, 100701 + ... + 101719.

It is an arithmetic number, because the mean of its divisors is an integer number (6024375).

Almost surely, 2103132990 is an apocalyptic number.

103132990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103132990 is a deficient number, since it is larger than the sum of its proper divisors (89647010).

103132990 is a wasteful number, since it uses less digits than its factorization.

103132990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 103132990 is about 10155.4413985804. The cubic root of 103132990 is about 468.9564746093.

The spelling of 103132990 in words is "one hundred three million, one hundred thirty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 349 698 1019 1745 2038 3490 5095 10121 10190 20242 29551 50605 59102 101210 147755 295510 355631 711262 1778155 3556310 10313299 20626598 51566495 103132990