Search a number
-
+
472540730 = 2547254073
BaseRepresentation
bin11100001010100…
…110011000111010
31012221011120000112
4130022212120322
51431432300410
6114520104322
714465346524
oct3412463072
91187146015
10472540730
11222811932
121123050a2
1376b8c6cc
1446a88a14
152b742105
hex1c2a663a

472540730 has 8 divisors (see below), whose sum is σ = 850573332. Its totient is φ = 189016288.

The previous prime is 472540699. The next prime is 472540751. The reversal of 472540730 is 37045274.

It can be written as a sum of positive squares in 2 ways, for example, as 439028209 + 33512521 = 20953^2 + 5789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23627027 + ... + 23627046.

Almost surely, 2472540730 is an apocalyptic number.

472540730 is a deficient number, since it is larger than the sum of its proper divisors (378032602).

472540730 is a wasteful number, since it uses less digits than its factorization.

472540730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47254080.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 472540730 is about 21738.0019781028. The cubic root of 472540730 is about 778.8964945590.

The spelling of 472540730 in words is "four hundred seventy-two million, five hundred forty thousand, seven hundred thirty".

Divisors: 1 2 5 10 47254073 94508146 236270365 472540730