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457870342 = 21361168211
BaseRepresentation
bin11011010010101…
…000110000000110
31011220120020000211
4123102220300012
51414203322332
6113233430034
714226555646
oct3322506006
91156506024
10457870342
11215501846
1210940b31a
1373b240c7
1444b4a526
152a2e5447
hex1b4a8c06

457870342 has 8 divisors (see below), whose sum is σ = 687314232. Its totient is φ = 228765600.

The previous prime is 457870313. The next prime is 457870363. The reversal of 457870342 is 243078754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 457870295 and 457870304.

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, 81384 + ... + 86827.

It is an arithmetic number, because the mean of its divisors is an integer number (85914279).

Almost surely, 2457870342 is an apocalyptic number.

457870342 is a deficient number, since it is larger than the sum of its proper divisors (229443890).

457870342 is a wasteful number, since it uses less digits than its factorization.

457870342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169574.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 457870342 is about 21397.9050843768. The cubic root of 457870342 is about 770.7511318807.

The spelling of 457870342 in words is "four hundred fifty-seven million, eight hundred seventy thousand, three hundred forty-two".

Divisors: 1 2 1361 2722 168211 336422 228935171 457870342