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390375144 = 233244312239
BaseRepresentation
bin10111010001001…
…010011011101000
31000012120010000200
4113101022123220
51244414001034
6102423032200
712450063645
oct2721123350
91005503020
10390375144
111903a1695
12aa89b660
1362b51713
1439bbadcc
1524411a99
hex1744a6e8

390375144 has 48 divisors (see below), whose sum is σ = 1059739200. Its totient is φ = 129820704.

The previous prime is 390375137. The next prime is 390375151. The reversal of 390375144 is 441573093.

It is an interprime number because it is at equal distance from previous prime (390375137) and next prime (390375151).

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

It is a junction number, because it is equal to n+sod(n) for n = 390375099 and 390375108.

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, 25777 + ... + 38015.

It is an arithmetic number, because the mean of its divisors is an integer number (22077900).

Almost surely, 2390375144 is an apocalyptic number.

It is an amenable number.

390375144 is an abundant number, since it is smaller than the sum of its proper divisors (669364056).

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

390375144 is a wasteful number, since it uses less digits than its factorization.

390375144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694 (or 12687 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 390375144 is about 19757.9134525891. The cubic root of 390375144 is about 730.8485435240.

The spelling of 390375144 in words is "three hundred ninety million, three hundred seventy-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 443 886 1329 1772 2658 3544 3987 5316 7974 10632 12239 15948 24478 31896 36717 48956 73434 97912 110151 146868 220302 293736 440604 881208 5421877 10843754 16265631 21687508 32531262 43375016 48796893 65062524 97593786 130125048 195187572 390375144