Search a number
-
+
3431157 = 31143719
BaseRepresentation
bin1101000101101011110101
320110022122220
431011223311
51334244112
6201312553
741110242
oct15055365
96408586
103431157
111a33974
121195759
13931992
146545c9
1547b98c
hex345af5

3431157 has 4 divisors (see below), whose sum is σ = 4574880. Its totient is φ = 2287436.

The previous prime is 3431147. The next prime is 3431171. The reversal of 3431157 is 7511343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3431157 - 28 = 3430901 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571857 + ... + 571862.

It is an arithmetic number, because the mean of its divisors is an integer number (1143720).

Almost surely, 23431157 is an apocalyptic number.

It is an amenable number.

3431157 is a deficient number, since it is larger than the sum of its proper divisors (1143723).

3431157 is a wasteful number, since it uses less digits than its factorization.

3431157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143722.

The product of its digits is 1260, while the sum is 24.

The square root of 3431157 is about 1852.3382520479. The cubic root of 3431157 is about 150.8273834091.

The spelling of 3431157 in words is "three million, four hundred thirty-one thousand, one hundred fifty-seven".

Divisors: 1 3 1143719 3431157