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146127640 = 2353653191
BaseRepresentation
bin10001011010110…
…11101100011000
3101011222001102211
420231123230120
5244402041030
622300004504
73423031051
oct1055335430
9334861384
10146127640
117553794a
1240b30734
1324374479
141559b728
15cc6712a
hex8b5bb18

146127640 has 16 divisors (see below), whose sum is σ = 328787280. Its totient is φ = 58451040.

The previous prime is 146127637. The next prime is 146127647. The reversal of 146127640 is 46721641.

146127640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146127647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826556 + ... + 1826635.

It is an arithmetic number, because the mean of its divisors is an integer number (20549205).

Almost surely, 2146127640 is an apocalyptic number.

146127640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146127640 is an abundant number, since it is smaller than the sum of its proper divisors (182659640).

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

146127640 is a wasteful number, since it uses less digits than its factorization.

146127640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653202 (or 3653198 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 146127640 is about 12088.3266004853. The cubic root of 146127640 is about 526.7171469711.

The spelling of 146127640 in words is "one hundred forty-six million, one hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3653191 7306382 14612764 18265955 29225528 36531910 73063820 146127640