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402141430 = 25231748441
BaseRepresentation
bin10111111110000…
…011000011110110
31001000200220100001
4113332003003312
51310422011210
6103523141514
712652100665
oct2776030366
91030626301
10402141430
11196aa8899
12b281489a
1365411212
143b5a0ddc
152548803a
hex17f830f6

402141430 has 16 divisors (see below), whose sum is σ = 755326944. Its totient is φ = 153862720.

The previous prime is 402141413. The next prime is 402141431. The reversal of 402141430 is 34141204.

It is a junction number, because it is equal to n+sod(n) for n = 402141398 and 402141407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402141431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873991 + ... + 874450.

It is an arithmetic number, because the mean of its divisors is an integer number (47207934).

Almost surely, 2402141430 is an apocalyptic number.

402141430 is a deficient number, since it is larger than the sum of its proper divisors (353185514).

402141430 is a wasteful number, since it uses less digits than its factorization.

402141430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748471.

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

The square root of 402141430 is about 20053.4642892444. The cubic root of 402141430 is about 738.1188095625.

Adding to 402141430 its reverse (34141204), we get a palindrome (436282634).

It can be divided in two parts, 4021 and 41430, that added together give a triangular number (45451 = T301).

The spelling of 402141430 in words is "four hundred two million, one hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1748441 3496882 8742205 17484410 40214143 80428286 201070715 402141430