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1051054172 = 227172208097
BaseRepresentation
bin111110101001011…
…101000001011100
32201020202002021022
4332221131001130
54123032213142
6252143423312
735021545610
oct7651350134
92636662238
101051054172
1149a324613
12253bb4b38
131399a435c
149d83b340
15624186d2
hex3ea5d05c

1051054172 has 24 divisors (see below), whose sum is σ = 2225762784. Its totient is φ = 423954432.

The previous prime is 1051054171. The next prime is 1051054181. The reversal of 1051054172 is 2714501501.

It is a super-2 number, since 2×10510541722 = 2209429744957211168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051054171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103573 + ... + 1104524.

It is an arithmetic number, because the mean of its divisors is an integer number (92740116).

Almost surely, 21051054172 is an apocalyptic number.

It is an amenable number.

1051054172 is an abundant number, since it is smaller than the sum of its proper divisors (1174708612).

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

1051054172 is a wasteful number, since it uses less digits than its factorization.

1051054172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208125 (or 2208123 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1051054172 is about 32419.9656384765. The cubic root of 1051054172 is about 1016.7363879923.

Adding to 1051054172 its reverse (2714501501), we get a palindrome (3765555673).

The spelling of 1051054172 in words is "one billion, fifty-one million, fifty-four thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 2208097 4416194 8832388 15456679 30913358 37537649 61826716 75075298 150150596 262763543 525527086 1051054172