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1385252 = 2211191657
BaseRepresentation
bin101010010001100100100
32121101012122
411102030210
5323312002
645405112
714526431
oct5221444
92541178
101385252
11866840
12569798
1339669b
14280b88
151c56a2
hex152324

1385252 has 24 divisors (see below), whose sum is σ = 2785440. Its totient is φ = 596160.

The previous prime is 1385213. The next prime is 1385273. The reversal of 1385252 is 2525831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (116060).

21385252 is an apocalyptic number.

It is an amenable number.

1385252 is an abundant number, since it is smaller than the sum of its proper divisors (1400188).

1385252 is a wasteful number, since it uses less digits than its factorization.

1385252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1689 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1385252 is about 1176.9672892651. The cubic root of 1385252 is about 111.4746870890.

The spelling of 1385252 in words is "one million, three hundred eighty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 1657 3314 6628 18227 31483 36454 62966 72908 125932 346313 692626 1385252