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492218040 = 23354101817
BaseRepresentation
bin11101010101101…
…010011010111000
31021022012021012210
4131111222122320
52002001434130
6120501535120
715124533006
oct3525523270
91238167183
10492218040
11232931776
12118a144a0
137ac8bca2
144952ba76
152d32c5b0
hex1d56a6b8

492218040 has 32 divisors (see below), whose sum is σ = 1476654480. Its totient is φ = 131258112.

The previous prime is 492218029. The next prime is 492218063. The reversal of 492218040 is 40812294.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 492217989 and 492218007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050789 + ... + 2051028.

Almost surely, 2492218040 is an apocalyptic number.

492218040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492218040 is an abundant number, since it is smaller than the sum of its proper divisors (984436440).

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

492218040 is a wasteful number, since it uses less digits than its factorization.

492218040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101831 (or 4101827 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 492218040 is about 22185.9874695719. The cubic root of 492218040 is about 789.5612796653.

The spelling of 492218040 in words is "four hundred ninety-two million, two hundred eighteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4101817 8203634 12305451 16407268 20509085 24610902 32814536 41018170 49221804 61527255 82036340 98443608 123054510 164072680 246109020 492218040