Search a number
-
+
914421725 = 52731732309
BaseRepresentation
bin110110100000001…
…111011111011101
32100201122102210022
4312200033133131
53333042443400
6230423121525
731442312360
oct6640173735
92321572708
10914421725
1142a192638
122162a32a5
131175a5a59
14896320d7
1555429b85
hex3680f7dd

914421725 has 48 divisors (see below), whose sum is σ = 1356579840. Its totient is φ = 598233600.

The previous prime is 914421691. The next prime is 914421727. The reversal of 914421725 is 527124419.

It is a de Polignac number, because none of the positive numbers 2k-914421725 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914421727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394871 + ... + 397179.

It is an arithmetic number, because the mean of its divisors is an integer number (28262080).

Almost surely, 2914421725 is an apocalyptic number.

It is an amenable number.

914421725 is a deficient number, since it is larger than the sum of its proper divisors (442158115).

914421725 is a wasteful number, since it uses less digits than its factorization.

914421725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2425 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 914421725 is about 30239.4068228859. The cubic root of 914421725 is about 970.6191268315.

The spelling of 914421725 in words is "nine hundred fourteen million, four hundred twenty-one thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 31 35 73 155 175 217 365 511 775 1085 1825 2263 2309 2555 5425 11315 11545 12775 15841 16163 56575 57725 71579 79205 80815 168557 357895 396025 404075 501053 842785 1179899 1789475 2505265 4213925 5225267 5899495 12526325 26126335 29497475 36576869 130631675 182884345 914421725