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1052454140 = 225731076737
BaseRepresentation
bin111110101110110…
…010110011111100
32201100101012122222
4332232302303330
54123412013030
6252233424512
735036466263
oct7656626374
92640335588
101052454140
114a00a0411
1225456b138
1313a07463a
149dac35da
15625e33e5
hex3ebb2cfc

1052454140 has 48 divisors (see below), whose sum is σ = 2261704032. Its totient is φ = 411273216.

The previous prime is 1052454119. The next prime is 1052454163. The reversal of 1052454140 is 414542501.

It is a super-2 number, since 2×10524541402 = 2215319433606279200, 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 15 ways as a sum of consecutive naturals, for example, 152852 + ... + 159588.

It is an arithmetic number, because the mean of its divisors is an integer number (47118834).

Almost surely, 21052454140 is an apocalyptic number.

1052454140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052454140 is an abundant number, since it is smaller than the sum of its proper divisors (1209249892).

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

1052454140 is a wasteful number, since it uses less digits than its factorization.

1052454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1052454140 is about 32441.5495930759. The cubic root of 1052454140 is about 1017.1876070129.

Adding to 1052454140 its reverse (414542501), we get a palindrome (1466996641).

The spelling of 1052454140 in words is "one billion, fifty-two million, four hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 107 146 214 292 365 428 535 730 1070 1460 2140 6737 7811 13474 15622 26948 31244 33685 39055 67370 78110 134740 156220 491801 720859 983602 1441718 1967204 2459005 2883436 3604295 4918010 7208590 9836020 14417180 52622707 105245414 210490828 263113535 526227070 1052454140