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2057529620 = 225383268607
BaseRepresentation
bin111101010100011…
…0110100100010100
312022101121100000202
41322220312210110
513203211421440
6540100000032
7101662466426
oct17250664424
95271540022
102057529620
11966470503
12495090018
1326a36aa63
14157392816
15c0978615
hex7aa36914

2057529620 has 24 divisors (see below), whose sum is σ = 4332109824. Its totient is φ = 820859936.

The previous prime is 2057529587. The next prime is 2057529629. The reversal of 2057529620 is 269257502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057529629) 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, 126644 + ... + 141963.

It is an arithmetic number, because the mean of its divisors is an integer number (180504576).

Almost surely, 22057529620 is an apocalyptic number.

2057529620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057529620 is an abundant number, since it is smaller than the sum of its proper divisors (2274580204).

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

2057529620 is a wasteful number, since it uses less digits than its factorization.

2057529620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268999 (or 268997 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2057529620 is about 45360.0002204586. Note that the first 3 decimals coincide. The cubic root of 2057529620 is about 1271.8874986205.

The spelling of 2057529620 in words is "two billion, fifty-seven million, five hundred twenty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 383 766 1532 1915 3830 7660 268607 537214 1074428 1343035 2686070 5372140 102876481 205752962 411505924 514382405 1028764810 2057529620