Search a number
-
+
1952273137 = 10180923893
BaseRepresentation
bin111010001011101…
…0101001011110001
312001001112202021111
41310113111023301
512444240220022
6521415553321
766244022263
oct16427251361
95031482244
101952273137
11912009781
1246598b841
13251606809
141473d3b33
15b65d6477
hex745d52f1

1952273137 has 8 divisors (see below), whose sum is σ = 1974122280. Its totient is φ = 1930473600.

The previous prime is 1952273107. The next prime is 1952273171. The reversal of 1952273137 is 7313722591.

It can be written as a sum of positive squares in 4 ways, for example, as 1628848881 + 323424256 = 40359^2 + 17984^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-1952273137 is a prime.

It is a super-2 number, since 2×19522731372 = 7622740802903641538, which contains 22 as substring.

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 1952273137.

It is not an unprimeable number, because it can be changed into a prime (1952273107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69763 + ... + 93655.

It is an arithmetic number, because the mean of its divisors is an integer number (246765285).

Almost surely, 21952273137 is an apocalyptic number.

It is an amenable number.

1952273137 is a deficient number, since it is larger than the sum of its proper divisors (21849143).

1952273137 is a wasteful number, since it uses less digits than its factorization.

1952273137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24803.

The product of its digits is 79380, while the sum is 40.

The square root of 1952273137 is about 44184.5350433837. The cubic root of 1952273137 is about 1249.8182427994.

The spelling of 1952273137 in words is "one billion, nine hundred fifty-two million, two hundred seventy-three thousand, one hundred thirty-seven".

Divisors: 1 101 809 23893 81709 2413193 19329437 1952273137