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214871742 = 23211937319
BaseRepresentation
bin11001100111010…
…10111010111110
3112222022121121200
430303222322332
5420001343432
633153240330
75216244141
oct1463527276
9488277550
10214871742
11100320358
125bb630a6
1335693457
1420774058
1513ce5a7c
hexcceaebe

214871742 has 12 divisors (see below), whose sum is σ = 465555480. Its totient is φ = 71623908.

The previous prime is 214871737. The next prime is 214871749. The reversal of 214871742 is 247178412.

214871742 is a `hidden beast` number, since 2 + 1 + 487 + 174 + 2 = 666.

It is a super-2 number, since 2×2148717422 = 92339731020229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214871697 and 214871706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214871749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5968642 + ... + 5968677.

It is an arithmetic number, because the mean of its divisors is an integer number (38796290).

Almost surely, 2214871742 is an apocalyptic number.

214871742 is an abundant number, since it is smaller than the sum of its proper divisors (250683738).

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

214871742 is a wasteful number, since it uses less digits than its factorization.

214871742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937327 (or 11937324 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 214871742 is about 14658.5040846602. The cubic root of 214871742 is about 598.9534924311.

The spelling of 214871742 in words is "two hundred fourteen million, eight hundred seventy-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 11937319 23874638 35811957 71623914 107435871 214871742