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214480642 = 2107240321
BaseRepresentation
bin11001100100010…
…11011100000010
3112221120202010111
430302023130002
5414401340032
633141021534
75213024665
oct1462133402
9487522114
10214480642
11100083532
125b9b48aa
133558742c
14206b16dc
1513c69c47
hexcc8b702

214480642 has 4 divisors (see below), whose sum is σ = 321720966. Its totient is φ = 107240320.

The previous prime is 214480639. The next prime is 214480649. The reversal of 214480642 is 246084412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 79014321 = 11639^2 + 8889^2 .

It is not an unprimeable number, because it can be changed into a prime (214480649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53620159 + ... + 53620162.

Almost surely, 2214480642 is an apocalyptic number.

214480642 is a deficient number, since it is larger than the sum of its proper divisors (107240324).

214480642 is a wasteful number, since it uses less digits than its factorization.

214480642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107240323.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 214480642 is about 14645.1576297423. The cubic root of 214480642 is about 598.5898755484.

The spelling of 214480642 in words is "two hundred fourteen million, four hundred eighty thousand, six hundred forty-two".

Divisors: 1 2 107240321 214480642