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214311442 = 2107155721
BaseRepresentation
bin11001100011000…
…10001000010010
3112221021011000211
430301202020102
5414330431232
633133234334
75211421462
oct1461421022
9487234024
10214311442
11aaa783a4
125b9329aa
1335528407
1420669ba2
1513c34a47
hexcc62212

214311442 has 4 divisors (see below), whose sum is σ = 321467166. Its totient is φ = 107155720.

The previous prime is 214311397. The next prime is 214311457. The reversal of 214311442 is 244113412.

It is a happy number.

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., 142587481 + 71723961 = 11941^2 + 8469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53577859 + ... + 53577862.

Almost surely, 2214311442 is an apocalyptic number.

214311442 is a deficient number, since it is larger than the sum of its proper divisors (107155724).

214311442 is a wasteful number, since it uses less digits than its factorization.

214311442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107155723.

The product of its digits is 768, while the sum is 22.

The square root of 214311442 is about 14639.3798365914. The cubic root of 214311442 is about 598.4324284695.

Adding to 214311442 its reverse (244113412), we get a palindrome (458424854).

The spelling of 214311442 in words is "two hundred fourteen million, three hundred eleven thousand, four hundred forty-two".

Divisors: 1 2 107155721 214311442