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385062100 = 22523850621
BaseRepresentation
bin10110111100111…
…001010011010100
3222211120011220021
4112330321103110
51242033441400
6102113114524
712353655013
oct2674712324
9884504807
10385062100
111883a2945
12a8b58a44
1361a112c7
14391d6a7a
1523c1271a
hex16f394d4

385062100 has 18 divisors (see below), whose sum is σ = 835584974. Its totient is φ = 154024800.

The previous prime is 385062059. The next prime is 385062103. The reversal of 385062100 is 1260583.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2937796 + 382124304 = 1714^2 + 19548^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385062103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1925211 + ... + 1925410.

Almost surely, 2385062100 is an apocalyptic number.

It is an amenable number.

385062100 is an abundant number, since it is smaller than the sum of its proper divisors (450522874).

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

385062100 is a wasteful number, since it uses less digits than its factorization.

385062100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850635 (or 3850628 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 385062100 is about 19622.9992610712. Note that the first 3 decimals coincide. The cubic root of 385062100 is about 727.5177465627.

The spelling of 385062100 in words is "three hundred eighty-five million, sixty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3850621 7701242 15402484 19253105 38506210 77012420 96265525 192531050 385062100