Search a number
-
+
1051308372 = 22387609031
BaseRepresentation
bin111110101010011…
…011000101010100
32201021012222222010
4332222123011110
54123113331442
6252153104220
735023654662
oct7652330524
92637188863
101051308372
1149a4885a4
122540b8070
13139a62c7a
149d8a5c32
1562468b9c
hex3ea9b154

1051308372 has 12 divisors (see below), whose sum is σ = 2453052896. Its totient is φ = 350436120.

The previous prime is 1051308353. The next prime is 1051308397. The reversal of 1051308372 is 2738031501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10513083722 = 2210498586074580768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43804504 + ... + 43804527.

Almost surely, 21051308372 is an apocalyptic number.

1051308372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051308372 is an abundant number, since it is smaller than the sum of its proper divisors (1401744524).

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

1051308372 is a wasteful number, since it uses less digits than its factorization.

1051308372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87609038 (or 87609036 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1051308372 is about 32423.8858251136. The cubic root of 1051308372 is about 1016.8183481054.

Adding to 1051308372 its reverse (2738031501), we get a palindrome (3789339873).

The spelling of 1051308372 in words is "one billion, fifty-one million, three hundred eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 87609031 175218062 262827093 350436124 525654186 1051308372