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3893425812 = 2233195932159
BaseRepresentation
bin1110100000010000…
…1111011010010100
3101001100011112011000
43220010033122110
530433204111222
61442201343300
7165324400443
oct35004173224
911040145130
103893425812
111718812491
12907a97b30
134a0818773
1428d130d5a
1517bc229ac
hexe810f694

3893425812 has 96 divisors (see below), whose sum is σ = 10805760000. Its totient is φ = 1208626272.

The previous prime is 3893425771. The next prime is 3893425819. The reversal of 3893425812 is 2185243983.

3893425812 is a `hidden beast` number, since 38 + 9 + 34 + 2 + 581 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893425819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104989 + ... + 137147.

It is an arithmetic number, because the mean of its divisors is an integer number (112560000).

Almost surely, 23893425812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3893425812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5402880000).

3893425812 is an abundant number, since it is smaller than the sum of its proper divisors (6912334188).

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

3893425812 is a wasteful number, since it uses less digits than its factorization.

3893425812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32250 (or 32242 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 3893425812 is about 62397.3221540797. The cubic root of 3893425812 is about 1573.1759600125.

It can be divided in two parts, 38934 and 25812, that added together give a palindrome (64746).

The spelling of 3893425812 in words is "three billion, eight hundred ninety-three million, four hundred twenty-five thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 59 76 108 114 118 171 177 228 236 342 354 513 531 684 708 1026 1062 1121 1593 2052 2124 2242 3186 3363 4484 6372 6726 10089 13452 20178 30267 32159 40356 60534 64318 96477 121068 128636 192954 289431 385908 578862 611021 868293 1157724 1222042 1736586 1833063 1897381 2444084 3473172 3666126 3794762 5499189 5692143 7332252 7589524 10998378 11384286 16497567 17076429 21996756 22768572 32995134 34152858 36050239 51229287 65990268 68305716 72100478 102458574 108150717 144200956 204917148 216301434 324452151 432602868 648904302 973356453 1297808604 1946712906 3893425812