Search a number
-
+
10102908 = 2231973607
BaseRepresentation
bin100110100010…
…100001111100
3201000021120210
4212202201330
510041243113
61000312420
7151605354
oct46424174
921007523
1010102908
115780512
123472710
13212966a
1414adb64
15d486c3
hex9a287c

10102908 has 48 divisors (see below), whose sum is σ = 25195520. Its totient is φ = 3141504.

The previous prime is 10102907. The next prime is 10102909. The reversal of 10102908 is 80920101.

It is an interprime number because it is at equal distance from previous prime (10102907) and next prime (10102909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16341 + ... + 16947.

Almost surely, 210102908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12597760).

10102908 is an abundant number, since it is smaller than the sum of its proper divisors (15092612).

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

10102908 is a wasteful number, since it uses less digits than its factorization.

10102908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10102908 is about 3178.5071967828. The cubic root of 10102908 is about 216.1799768830.

The spelling of 10102908 in words is "ten million, one hundred two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 19 38 57 73 76 114 146 219 228 292 438 607 876 1214 1387 1821 2428 2774 3642 4161 5548 7284 8322 11533 16644 23066 34599 44311 46132 69198 88622 132933 138396 177244 265866 531732 841909 1683818 2525727 3367636 5051454 10102908