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123402214 = 2134746239
BaseRepresentation
bin1110101101011…
…11011111100110
322121012111000101
413112233133212
5223042332324
620124534314
73025621135
oct726573746
9277174011
10123402214
1163725a01
12353b139a
131c748680
141256391c
15ac78944
hex75af7e6

123402214 has 8 divisors (see below), whose sum is σ = 199342080. Its totient is φ = 56954856.

The previous prime is 123402211. The next prime is 123402229. The reversal of 123402214 is 412204321.

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 = 123402191 and 123402200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373094 + ... + 2373145.

It is an arithmetic number, because the mean of its divisors is an integer number (24917760).

Almost surely, 2123402214 is an apocalyptic number.

123402214 is a deficient number, since it is larger than the sum of its proper divisors (75939866).

123402214 is a wasteful number, since it uses less digits than its factorization.

123402214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746254.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 123402214 is about 11108.6549140749. The cubic root of 123402214 is about 497.8604766043.

Adding to 123402214 its reverse (412204321), we get a palindrome (535606535).

The spelling of 123402214 in words is "one hundred twenty-three million, four hundred two thousand, two hundred fourteen".

Divisors: 1 2 13 26 4746239 9492478 61701107 123402214