Search a number
-
+
472155437 = 1343844643
BaseRepresentation
bin11100001001001…
…000010100101101
31012220102222111102
4130021020110231
51431332433222
6114503532445
714462153315
oct3411102455
91186388442
10472155437
11222579406
1211215a125
1376a86220
14469c8445
152b6b7d92
hex1c24852d

472155437 has 8 divisors (see below), whose sum is σ = 520300704. Its totient is φ = 425699568.

The previous prime is 472155421. The next prime is 472155473. The reversal of 472155437 is 734551274.

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 472155437 - 24 = 472155421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472155437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472155487) 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, 421763 + ... + 422880.

It is an arithmetic number, because the mean of its divisors is an integer number (65037588).

Almost surely, 2472155437 is an apocalyptic number.

It is an amenable number.

472155437 is a deficient number, since it is larger than the sum of its proper divisors (48145267).

472155437 is a wasteful number, since it uses less digits than its factorization.

472155437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844699.

The product of its digits is 117600, while the sum is 38.

The square root of 472155437 is about 21729.1379718571. The cubic root of 472155437 is about 778.6847421113.

The spelling of 472155437 in words is "four hundred seventy-two million, one hundred fifty-five thousand, four hundred thirty-seven".

Divisors: 1 13 43 559 844643 10980359 36319649 472155437