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4387140444 = 223973899689
BaseRepresentation
bin1000001010111111…
…00111001101011100
3102022202011211022010
410011133213031130
532441101443234
62003155351220
7213501035631
oct40537471534
912282154263
104387140444
111951476605
12a252b2510
1354bbac9bb
142d892c188
151aa2486e9
hex1057e735c

4387140444 has 48 divisors (see below), whose sum is σ = 10369850400. Its totient is φ = 1443434496.

The previous prime is 4387140437. The next prime is 4387140493. The reversal of 4387140444 is 4440417834.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447952 + ... + 457640.

It is an arithmetic number, because the mean of its divisors is an integer number (216038550).

Almost surely, 24387140444 is an apocalyptic number.

It is an amenable number.

4387140444 is an abundant number, since it is smaller than the sum of its proper divisors (5982709956).

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

4387140444 is a wasteful number, since it uses less digits than its factorization.

4387140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 4387140444 is about 66235.4923285092. The cubic root of 4387140444 is about 1637.0446035000.

The spelling of 4387140444 in words is "four billion, three hundred eighty-seven million, one hundred forty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 97 194 291 388 389 582 778 1164 1167 1556 2334 4668 9689 19378 29067 37733 38756 58134 75466 113199 116268 150932 226398 452796 939833 1879666 2819499 3759332 3769021 5638998 7538042 11277996 11307063 15076084 22614126 45228252 365595037 731190074 1096785111 1462380148 2193570222 4387140444