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302040101 = 1189308519
BaseRepresentation
bin10010000000001…
…100010000100101
3210001100020010102
4102000030100211
51104310240401
645545433445
710325204246
oct2200142045
9701306112
10302040101
11145548220
128519b885
134a76356c
142c184ccd
151b7b356b
hex1200c425

302040101 has 8 divisors (see below), whose sum is σ = 333201600. Its totient is φ = 271495840.

The previous prime is 302040061. The next prime is 302040113. The reversal of 302040101 is 101040203.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-302040101 is a prime.

It is a super-2 number, since 2×3020401012 = 182456445224180402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302040121) 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, 153281 + ... + 155238.

It is an arithmetic number, because the mean of its divisors is an integer number (41650200).

Almost surely, 2302040101 is an apocalyptic number.

It is an amenable number.

302040101 is a deficient number, since it is larger than the sum of its proper divisors (31161499).

302040101 is a wasteful number, since it uses less digits than its factorization.

302040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308619.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 302040101 is about 17379.3009353081. The cubic root of 302040101 is about 670.9469797592.

Adding to 302040101 its reverse (101040203), we get a palindrome (403080304).

The spelling of 302040101 in words is "three hundred two million, forty thousand, one hundred one".

Divisors: 1 11 89 979 308519 3393709 27458191 302040101