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4289904 = 2432313
BaseRepresentation
bin10000010111010101110000
322001221122100
4100113111300
52044234104
6231540400
751315003
oct20272560
98057570
104289904
112470083
12152a700
13b72808
147d953a
1559b139
hex417570

4289904 has 60 divisors (see below), whose sum is σ = 12405952. Its totient is φ = 1383840.

The previous prime is 4289893. The next prime is 4289911. The reversal of 4289904 is 4099824.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138369 + ... + 138399.

Almost surely, 24289904 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 4289904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6202976).

4289904 is an abundant number, since it is smaller than the sum of its proper divisors (8116048).

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

4289904 is an equidigital number, since it uses as much as digits as its factorization.

4289904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4289904 is about 2071.2083429728. The cubic root of 4289904 is about 162.4859664410.

Multiplying 4289904 by its product of nonzero digits (20736), we get a cube (88955449344 = 44643).

The spelling of 4289904 in words is "four million, two hundred eighty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 961 1116 1488 1922 2232 2883 3844 4464 5766 7688 8649 11532 15376 17298 23064 29791 34596 46128 59582 69192 89373 119164 138384 178746 238328 268119 357492 476656 536238 714984 1072476 1429968 2144952 4289904