Search a number
-
+
172374241 = 1334937993
BaseRepresentation
bin10100100011000…
…11100011100001
3110000100112000011
422101203203201
5323111433431
625034324521
74162104544
oct1221434341
9400315004
10172374241
1189334356
1249889741
1329933bc0
1418c7085b
15101edcb1
hexa4638e1

172374241 has 8 divisors (see below), whose sum is σ = 186170600. Its totient is φ = 158654592.

The previous prime is 172374217. The next prime is 172374247. The reversal of 172374241 is 142473271.

It can be written as a sum of positive squares in 4 ways, for example, as 3600 + 172370641 = 60^2 + 13129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172374241 - 27 = 172374113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172374247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14460 + ... + 23533.

It is an arithmetic number, because the mean of its divisors is an integer number (23271325).

Almost surely, 2172374241 is an apocalyptic number.

It is an amenable number.

172374241 is a deficient number, since it is larger than the sum of its proper divisors (13796359).

172374241 is a wasteful number, since it uses less digits than its factorization.

172374241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355.

The product of its digits is 9408, while the sum is 31.

The square root of 172374241 is about 13129.1371003581. The cubic root of 172374241 is about 556.5328305229.

The spelling of 172374241 in words is "one hundred seventy-two million, three hundred seventy-four thousand, two hundred forty-one".

Divisors: 1 13 349 4537 37993 493909 13259557 172374241