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146253620 = 2257312681
BaseRepresentation
bin10001011011110…
…10011100110100
3101012012110020202
420231322130310
5244420103440
622302420032
73424064252
oct1055723464
9335173222
10146253620
1175613567
1240b91618
13243b9906
14155d15d2
15cc8e615
hex8b7a734

146253620 has 12 divisors (see below), whose sum is σ = 307132644. Its totient is φ = 58501440.

The previous prime is 146253607. The next prime is 146253631. The reversal of 146253620 is 26352641.

It can be written as a sum of positive squares in 2 ways, for example, as 82700836 + 63552784 = 9094^2 + 7972^2 .

It is a congruent number.

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, 3656321 + ... + 3656360.

It is an arithmetic number, because the mean of its divisors is an integer number (25594387).

Almost surely, 2146253620 is an apocalyptic number.

146253620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146253620 is an abundant number, since it is smaller than the sum of its proper divisors (160879024).

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

146253620 is a wasteful number, since it uses less digits than its factorization.

146253620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312690 (or 7312688 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 146253620 is about 12093.5362901014. The cubic root of 146253620 is about 526.8684684832.

The spelling of 146253620 in words is "one hundred forty-six million, two hundred fifty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 7312681 14625362 29250724 36563405 73126810 146253620