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2021042435 = 51289313583
BaseRepresentation
bin111100001110110…
…1010100100000011
312012211221121000112
41320131222210003
513114341324220
6532313541535
7101040401666
oct17035524403
95184847015
102021042435
1194790a105
12484a148ab
132629340c9
141525b56dd
15bc66c5c5
hex7876a903

2021042435 has 8 divisors (see below), whose sum is σ = 2427140160. Its totient is φ = 1615574464.

The previous prime is 2021042411. The next prime is 2021042557. The reversal of 2021042435 is 5342401202.

It is a happy number.

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 2021042435 - 26 = 2021042371 is a prime.

It is a super-2 number, since 2×20210424352 = 8169225048141458450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021042435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150347 + ... + 163236.

It is an arithmetic number, because the mean of its divisors is an integer number (303392520).

Almost surely, 22021042435 is an apocalyptic number.

2021042435 is a deficient number, since it is larger than the sum of its proper divisors (406097725).

2021042435 is a wasteful number, since it uses less digits than its factorization.

2021042435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314877.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2021042435 is about 44956.0055498706. The cubic root of 2021042435 is about 1264.3242778380.

Adding to 2021042435 its reverse (5342401202), we get a palindrome (7363443637).

The spelling of 2021042435 in words is "two billion, twenty-one million, forty-two thousand, four hundred thirty-five".

Divisors: 1 5 1289 6445 313583 1567915 404208487 2021042435