Search a number
-
+
3123201 = 319157349
BaseRepresentation
bin1011111010100000000001
312212200020010
423322200001
51244420301
6150535133
735355354
oct13724001
95780203
103123201
111843564
1210674a9
13854763
145b429b
1541a5d6
hex2fa801

3123201 has 16 divisors (see below), whose sum is σ = 4424000. Its totient is φ = 1954368.

The previous prime is 3123187. The next prime is 3123203. The reversal of 3123201 is 1023213.

It is a happy number.

It is not a de Polignac number, because 3123201 - 26 = 3123137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3123203) 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, 8775 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (276500).

It is a Proth number, since it is equal to 1525 ⋅ 211 + 1 and 1525 < 211.

Almost surely, 23123201 is an apocalyptic number.

It is an amenable number.

3123201 is a deficient number, since it is larger than the sum of its proper divisors (1300799).

3123201 is a wasteful number, since it uses less digits than its factorization.

3123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3123201 is about 1767.2580456741. The cubic root of 3123201 is about 146.1728265498.

Adding to 3123201 its sum of digits (12), we get a palindrome (3123213).

Adding to 3123201 its reverse (1023213), we get a palindrome (4146414).

It can be divided in two parts, 31 and 23201, that added together give a palindrome (23232).

The spelling of 3123201 in words is "three million, one hundred twenty-three thousand, two hundred one".

Divisors: 1 3 19 57 157 349 471 1047 2983 6631 8949 19893 54793 164379 1041067 3123201