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2057475388 = 221721779823
BaseRepresentation
bin111101010100010…
…1001010100111100
312022101111120122011
41322220221110330
513203203203023
6540054501004
7101662152343
oct17250512474
95271446564
102057475388
11966433791
12495064764
1326a34c177
1415737ab5a
15c096750d
hex7aa2953c

2057475388 has 18 divisors (see below), whose sum is σ = 3824841776. Its totient is φ = 968223168.

The previous prime is 2057475377. The next prime is 2057475397. The reversal of 2057475388 is 8835747502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 888756 + ... + 891067.

Almost surely, 22057475388 is an apocalyptic number.

It is an amenable number.

2057475388 is a deficient number, since it is larger than the sum of its proper divisors (1767366388).

2057475388 is a wasteful number, since it uses less digits than its factorization.

2057475388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779861 (or 1779842 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

The square root of 2057475388 is about 45359.4024211078. The cubic root of 2057475388 is about 1271.8763237941.

The spelling of 2057475388 in words is "two billion, fifty-seven million, four hundred seventy-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 17 34 68 289 578 1156 1779823 3559646 7119292 30256991 60513982 121027964 514368847 1028737694 2057475388