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1052357020 = 2251113367957
BaseRepresentation
bin111110101110011…
…011000110011100
32201100012021102221
4332232123012130
54123400411040
6252231355124
735035613161
oct7656330634
92640167387
101052357020
114a0034450
12254522aa4
1313a03c380
149da9a068
15625c474a
hex3eb9b19c

1052357020 has 48 divisors (see below), whose sum is σ = 2596311648. Its totient is φ = 353237760.

The previous prime is 1052357003. The next prime is 1052357023. The reversal of 1052357020 is 207532501.

It is a super-2 number, since 2×10523570202 = 2214910595086560800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052357023) 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, 181119 + ... + 186838.

It is an arithmetic number, because the mean of its divisors is an integer number (54089826).

Almost surely, 21052357020 is an apocalyptic number.

1052357020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052357020 is an abundant number, since it is smaller than the sum of its proper divisors (1543954628).

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

1052357020 is a wasteful number, since it uses less digits than its factorization.

1052357020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367990 (or 367988 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1052357020 is about 32440.0527126575. The cubic root of 1052357020 is about 1017.1563175104.

Adding to 1052357020 its reverse (207532501), we get a palindrome (1259889521).

The spelling of 1052357020 in words is "one billion, fifty-two million, three hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 367957 735914 1471828 1839785 3679570 4047527 4783441 7359140 8095054 9566882 16190108 19133764 20237635 23917205 40475270 47834410 52617851 80950540 95668820 105235702 210471404 263089255 526178510 1052357020