Search a number
-
+
397450941 = 34710327367
BaseRepresentation
bin10111101100001…
…001111010111101
31000200212121012020
4113230021322331
51303221412231
6103234430353
712564164046
oct2754117275
91020777166
10397450941
11194394858
12b11323b9
136445b294
143aadd8cd
1524d5d396
hex17b09ebd

397450941 has 16 divisors (see below), whose sum is σ = 546484224. Its totient is φ = 256802544.

The previous prime is 397450931. The next prime is 397451009. The reversal of 397450941 is 149054793.

It is not a de Polignac number, because 397450941 - 27 = 397450813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397450893 and 397450902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397450931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (34155264).

Almost surely, 2397450941 is an apocalyptic number.

It is an amenable number.

397450941 is a deficient number, since it is larger than the sum of its proper divisors (149033283).

397450941 is a wasteful number, since it uses less digits than its factorization.

397450941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27520.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 397450941 is about 19936.1716736188. The cubic root of 397450941 is about 735.2378276134.

The spelling of 397450941 in words is "three hundred ninety-seven million, four hundred fifty thousand, nine hundred forty-one".

Divisors: 1 3 47 103 141 309 4841 14523 27367 82101 1286249 2818801 3858747 8456403 132483647 397450941