Search a number
-
+
100238895 = 3252227531
BaseRepresentation
bin1011111100110…
…00011000101111
320222121122220200
411332120120233
5201130121040
613540244543
72325005451
oct576303057
9228548820
10100238895
1151644a69
12296a0753
13179c8473
14d4542d1
158c00630
hex5f9862f

100238895 has 12 divisors (see below), whose sum is σ = 173747496. Its totient is φ = 53460720.

The previous prime is 100238881. The next prime is 100238909. The reversal of 100238895 is 598832001.

It is an interprime number because it is at equal distance from previous prime (100238881) and next prime (100238909).

It is not a de Polignac number, because 100238895 - 25 = 100238863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113721 + ... + 1113810.

It is an arithmetic number, because the mean of its divisors is an integer number (14478958).

Almost surely, 2100238895 is an apocalyptic number.

100238895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100238895 is a deficient number, since it is larger than the sum of its proper divisors (73508601).

100238895 is a wasteful number, since it uses less digits than its factorization.

100238895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227542 (or 2227539 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 100238895 is about 10011.9376246559. The cubic root of 100238895 is about 464.5282068736.

The spelling of 100238895 in words is "one hundred million, two hundred thirty-eight thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 15 45 2227531 6682593 11137655 20047779 33412965 100238895