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146283780 = 22356736389
BaseRepresentation
bin10001011100000…
…01110100000100
3101012020222121210
420232001310010
5244422040110
622303211420
73424251216
oct1056016404
9335228553
10146283780
1175634195
1240ba6b70
13243ca566
14155dc5b6
15cc98520
hex8b81d04

146283780 has 48 divisors (see below), whose sum is σ = 415719360. Its totient is φ = 38425728.

The previous prime is 146283773. The next prime is 146283791. The reversal of 146283780 is 87382641.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14175 + ... + 22214.

It is an arithmetic number, because the mean of its divisors is an integer number (8660820).

Almost surely, 2146283780 is an apocalyptic number.

146283780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146283780 is an abundant number, since it is smaller than the sum of its proper divisors (269435580).

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

146283780 is a wasteful number, since it uses less digits than its factorization.

146283780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36468 (or 36466 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 146283780 is about 12094.7831729221. The cubic root of 146283780 is about 526.9046824264.

The spelling of 146283780 in words is "one hundred forty-six million, two hundred eighty-three thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 36389 72778 109167 145556 181945 218334 363890 436668 545835 727780 1091670 2183340 2438063 4876126 7314189 9752252 12190315 14628378 24380630 29256756 36570945 48761260 73141890 146283780