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385013252 = 22137404101
BaseRepresentation
bin10110111100101…
…101011000000100
3222211110200220002
4112330231120010
51242030411002
6102112100432
712353362421
oct2674553004
9884420802
10385013252
1118836a178
12a8b34718
13619c4cc0
14391c2d48
1523c03002
hex16f2d604

385013252 has 12 divisors (see below), whose sum is σ = 725601996. Its totient is φ = 177698400.

The previous prime is 385013243. The next prime is 385013257. The reversal of 385013252 is 252310583.

It can be written as a sum of positive squares in 2 ways, for example, as 74407876 + 310605376 = 8626^2 + 17624^2 .

It is not an unprimeable number, because it can be changed into a prime (385013257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701999 + ... + 3702102.

It is an arithmetic number, because the mean of its divisors is an integer number (60466833).

Almost surely, 2385013252 is an apocalyptic number.

It is an amenable number.

385013252 is a deficient number, since it is larger than the sum of its proper divisors (340588744).

385013252 is a wasteful number, since it uses less digits than its factorization.

385013252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404118 (or 7404116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 385013252 is about 19621.7545596718. The cubic root of 385013252 is about 727.4869815772.

The spelling of 385013252 in words is "three hundred eighty-five million, thirteen thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 7404101 14808202 29616404 96253313 192506626 385013252