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146038789 = 1317660809
BaseRepresentation
bin10001011010001…
…10000000000101
3101011210112120001
420231012000011
5244341220124
622254041301
73422211031
oct1055060005
9334715501
10146038789
1175487116
1240aa9231
1324342bb0
14155771c1
15cc4ab44
hex8b46005

146038789 has 8 divisors (see below), whose sum is σ = 166524120. Its totient is φ = 126875136.

The previous prime is 146038787. The next prime is 146038817. The reversal of 146038789 is 987830641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38564100 + 107474689 = 6210^2 + 10367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146038789 - 21 = 146038787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146038787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330184 + ... + 330625.

It is an arithmetic number, because the mean of its divisors is an integer number (20815515).

Almost surely, 2146038789 is an apocalyptic number.

It is an amenable number.

146038789 is a deficient number, since it is larger than the sum of its proper divisors (20485331).

146038789 is a wasteful number, since it uses less digits than its factorization.

146038789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660839.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 146038789 is about 12084.6509672394. The cubic root of 146038789 is about 526.6103708365.

The spelling of 146038789 in words is "one hundred forty-six million, thirty-eight thousand, seven hundred eighty-nine".

Divisors: 1 13 17 221 660809 8590517 11233753 146038789