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1005770052 = 2232725115901
BaseRepresentation
bin111011111100101…
…101010101000100
32121002112102010200
4323330231111010
54024434120202
6243445050500
733631622130
oct7374552504
92532472120
101005770052
11476804a21
122409b6a30
131304aa611
14978103c0
155d470e1c
hex3bf2d544

1005770052 has 72 divisors (see below), whose sum is σ = 2917317312. Its totient is φ = 286200000.

The previous prime is 1005770047. The next prime is 1005770053. The reversal of 1005770052 is 2500775001.

It is a junction number, because it is equal to n+sod(n) for n = 1005769998 and 1005770025.

It is not an unprimeable number, because it can be changed into a prime (1005770053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55302 + ... + 71202.

It is an arithmetic number, because the mean of its divisors is an integer number (40518296).

Almost surely, 21005770052 is an apocalyptic number.

1005770052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005770052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458658656).

1005770052 is an abundant number, since it is smaller than the sum of its proper divisors (1911547260).

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

1005770052 is a wasteful number, since it uses less digits than its factorization.

1005770052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16169 (or 16164 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 1005770052 is about 31713.8779085750. The cubic root of 1005770052 is about 1001.9196632018.

The spelling of 1005770052 in words is "one billion, five million, seven hundred seventy thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 251 252 502 753 1004 1506 1757 2259 3012 3514 4518 5271 7028 9036 10542 15813 15901 21084 31626 31802 47703 63252 63604 95406 111307 143109 190812 222614 286218 333921 445228 572436 667842 1001763 1335684 2003526 3991151 4007052 7982302 11973453 15964604 23946906 27938057 35920359 47893812 55876114 71840718 83814171 111752228 143681436 167628342 251442513 335256684 502885026 1005770052