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1952198481 = 32937336011
BaseRepresentation
bin111010001011100…
…0010111101010001
312001001101221212110
41310113002331101
512444230322411
6521414215533
766243261522
oct16427027521
95031357773
101952198481
11911a68682
124659545a9
132515ab83c
141473b4849
15b65be2a6
hex745c2f51

1952198481 has 16 divisors (see below), whose sum is σ = 2693856960. Its totient is φ = 1256041920.

The previous prime is 1952198473. The next prime is 1952198483. The reversal of 1952198481 is 1848912591.

It is a happy number.

It is not a de Polignac number, because 1952198481 - 23 = 1952198473 is a prime.

It is a super-2 number, since 2×19521984812 = 7622157818437414722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1952198481.

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 15 ways as a sum of consecutive naturals, for example, 321766 + ... + 327776.

It is an arithmetic number, because the mean of its divisors is an integer number (168366060).

Almost surely, 21952198481 is an apocalyptic number.

It is an amenable number.

1952198481 is a deficient number, since it is larger than the sum of its proper divisors (741658479).

1952198481 is a wasteful number, since it uses less digits than its factorization.

1952198481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776.

The product of its digits is 207360, while the sum is 48.

The square root of 1952198481 is about 44183.6902148293. The cubic root of 1952198481 is about 1249.8023113503.

The spelling of 1952198481 in words is "one billion, nine hundred fifty-two million, one hundred ninety-eight thousand, four hundred eighty-one".

Divisors: 1 3 29 87 3733 6011 11199 18033 108257 174319 324771 522957 22439063 67317189 650732827 1952198481