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214877972 = 2253719493
BaseRepresentation
bin11001100111011…
…00011100010100
3112222022221011102
430303230130110
5420002043342
633153325232
75216301251
oct1463543424
9488287142
10214877972
11100325001
125bb66818
133569623a
1420776428
1513ce7832
hexccec714

214877972 has 6 divisors (see below), whose sum is σ = 376036458. Its totient is φ = 107438984.

The previous prime is 214877939. The next prime is 214877987. The reversal of 214877972 is 279778412.

214877972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 200392336 + 14485636 = 14156^2 + 3806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26859743 + ... + 26859750.

It is an arithmetic number, because the mean of its divisors is an integer number (62672743).

Almost surely, 2214877972 is an apocalyptic number.

It is an amenable number.

214877972 is a deficient number, since it is larger than the sum of its proper divisors (161158486).

214877972 is a wasteful number, since it uses less digits than its factorization.

214877972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53719497 (or 53719495 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 214877972 is about 14658.7165877508. The cubic root of 214877972 is about 598.9592810691.

The spelling of 214877972 in words is "two hundred fourteen million, eight hundred seventy-seven thousand, nine hundred seventy-two".

Divisors: 1 2 4 53719493 107438986 214877972