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492297240 = 23356761231
BaseRepresentation
bin11101010101111…
…101110000011000
31021022100021212010
4131111331300120
52002012002430
6120503345520
715125312631
oct3525756030
91238307763
10492297240
11232986226
12118a522a0
137acb9056
144954c888
152d345cb0
hex1d57dc18

492297240 has 64 divisors (see below), whose sum is σ = 1498959360. Its totient is φ = 129317760.

The previous prime is 492297233. The next prime is 492297257. The reversal of 492297240 is 42792294.

It is a congruent number.

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, 22576 + ... + 38655.

It is an arithmetic number, because the mean of its divisors is an integer number (23421240).

Almost surely, 2492297240 is an apocalyptic number.

492297240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492297240 is an abundant number, since it is smaller than the sum of its proper divisors (1006662120).

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

492297240 is a wasteful number, since it uses less digits than its factorization.

492297240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61312 (or 61308 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 492297240 is about 22187.7723081881. The cubic root of 492297240 is about 789.6036253297.

The spelling of 492297240 in words is "four hundred ninety-two million, two hundred ninety-seven thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 67 120 134 201 268 335 402 536 670 804 1005 1340 1608 2010 2680 4020 8040 61231 122462 183693 244924 306155 367386 489848 612310 734772 918465 1224620 1469544 1836930 2449240 3673860 4102477 7347720 8204954 12307431 16409908 20512385 24614862 32819816 41024770 49229724 61537155 82049540 98459448 123074310 164099080 246148620 492297240