Search a number
-
+
1952198480 = 24524402481
BaseRepresentation
bin111010001011100…
…0010111101010000
312001001101221212102
41310113002331100
512444230322410
6521414215532
766243261521
oct16427027520
95031357772
101952198480
11911a68681
124659545a8
132515ab83b
141473b4848
15b65be2a5
hex745c2f50

1952198480 has 20 divisors (see below), whose sum is σ = 4538861652. Its totient is φ = 780879360.

The previous prime is 1952198473. The next prime is 1952198483. The reversal of 1952198480 is 848912591.

It can be written as a sum of positive squares in 2 ways, for example, as 1046910736 + 905287744 = 32356^2 + 30088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×19521984802 = 7622157810628620800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952198483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12201161 + ... + 12201320.

Almost surely, 21952198480 is an apocalyptic number.

1952198480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1952198480 is an abundant number, since it is smaller than the sum of its proper divisors (2586663172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1952198480 is a wasteful number, since it uses less digits than its factorization.

1952198480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24402494 (or 24402488 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 1952198480 is about 44183.6902035129. The cubic root of 1952198480 is about 1249.8023111369.

The spelling of 1952198480 in words is "one billion, nine hundred fifty-two million, one hundred ninety-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 24402481 48804962 97609924 122012405 195219848 244024810 390439696 488049620 976099240 1952198480