Search a number
-
+
100250025 = 35210912263
BaseRepresentation
bin1011111100110…
…11000110101001
320222122020011220
411332123012221
5201131000100
613540412253
72325053061
oct576330651
9228566156
10100250025
1151652367
12296a7089
1317a00555
14d4583a1
158c03aa0
hex5f9b1a9

100250025 has 24 divisors (see below), whose sum is σ = 167280960. Its totient is φ = 52971840.

The previous prime is 100250021. The next prime is 100250039. The reversal of 100250025 is 520052001.

It is not a de Polignac number, because 100250025 - 22 = 100250021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 100249986 and 100250013.

It is not an unprimeable number, because it can be changed into a prime (100250021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2044 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (6970040).

Almost surely, 2100250025 is an apocalyptic number.

100250025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100250025 is a deficient number, since it is larger than the sum of its proper divisors (67030935).

100250025 is a wasteful number, since it uses less digits than its factorization.

100250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385 (or 12380 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 100250025 is about 10012.4934456907. The cubic root of 100250025 is about 464.5453991607.

The spelling of 100250025 in words is "one hundred million, two hundred fifty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 109 327 545 1635 2725 8175 12263 36789 61315 183945 306575 919725 1336667 4010001 6683335 20050005 33416675 100250025