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146204690 = 2514620469
BaseRepresentation
bin10001011011011…
…10100000010010
3101012002222010112
420231232200102
5244412022230
622301401322
73423501512
oct1055564022
9335088115
10146204690
117558a825
1240b69242
13243a0568
14155bb842
15cc7ed95
hex8b6e812

146204690 has 8 divisors (see below), whose sum is σ = 263168460. Its totient is φ = 58481872.

The previous prime is 146204657. The next prime is 146204717. The reversal of 146204690 is 96402641.

It is a happy number.

146204690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141110641 + 5094049 = 11879^2 + 2257^2 .

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

It is a super-2 number, since 2×1462046902 = 42751622755992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7310225 + ... + 7310244.

Almost surely, 2146204690 is an apocalyptic number.

146204690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146204690 is a deficient number, since it is larger than the sum of its proper divisors (116963770).

146204690 is a wasteful number, since it uses less digits than its factorization.

146204690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14620476.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 146204690 is about 12091.5131393883. The cubic root of 146204690 is about 526.8097062919.

The spelling of 146204690 in words is "one hundred forty-six million, two hundred four thousand, six hundred ninety".

Divisors: 1 2 5 10 14620469 29240938 73102345 146204690