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214012661 = 4149110631
BaseRepresentation
bin11001100000110…
…01001011110101
3112220200222011212
430300121023311
5414241401121
633123011205
75206035422
oct1460311365
9486628155
10214012661
11aa893975
125b809b05
1335452415
14205ccd49
1513bc625b
hexcc192f5

214012661 has 8 divisors (see below), whose sum is σ = 219699648. Its totient is φ = 208348000.

The previous prime is 214012657. The next prime is 214012681. The reversal of 214012661 is 166210412.

214012661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214012661 - 22 = 214012657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214012681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14816 + ... + 25446.

It is an arithmetic number, because the mean of its divisors is an integer number (27462456).

Almost surely, 2214012661 is an apocalyptic number.

It is an amenable number.

214012661 is a deficient number, since it is larger than the sum of its proper divisors (5686987).

214012661 is a wasteful number, since it uses less digits than its factorization.

214012661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 214012661 is about 14629.1715759984. The cubic root of 214012661 is about 598.1541988157.

The spelling of 214012661 in words is "two hundred fourteen million, twelve thousand, six hundred sixty-one".

Divisors: 1 41 491 10631 20131 435871 5219821 214012661