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35220423 = 371677163
BaseRepresentation
bin1000011001011…
…0101111000111
32110021101100010
42012112233013
533004023143
63254521303
7605240310
oct206265707
973241303
1035220423
1118976697
12b966233
1373b21b4
14496b607
15315aa33
hex2196bc7

35220423 has 8 divisors (see below), whose sum is σ = 53669248. Its totient is φ = 20125944.

The previous prime is 35220421. The next prime is 35220499. The reversal of 35220423 is 32402253.

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

It is not a de Polignac number, because 35220423 - 21 = 35220421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1677163 = 35220423 / (3 + 5 + 2 + 2 + 0 + 4 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35220423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35220421) 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, 838561 + ... + 838602.

It is an arithmetic number, because the mean of its divisors is an integer number (6708656).

Almost surely, 235220423 is an apocalyptic number.

35220423 is a deficient number, since it is larger than the sum of its proper divisors (18448825).

35220423 is a wasteful number, since it uses less digits than its factorization.

35220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677173.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 35220423 is about 5934.6796880708. The cubic root of 35220423 is about 327.7918785554.

Adding to 35220423 its reverse (32402253), we get a palindrome (67622676).

The spelling of 35220423 in words is "thirty-five million, two hundred twenty thousand, four hundred twenty-three".

Divisors: 1 3 7 21 1677163 5031489 11740141 35220423