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42953369 = 103417023
BaseRepresentation
bin1010001111011…
…0101010011001
32222211020221112
42203312222121
541444001434
64132350105
71031045324
oct243665231
988736845
1042953369
1122278558
1212475335
138b8bbc4
1459c17bb
153b86dce
hex28f6a99

42953369 has 4 divisors (see below), whose sum is σ = 43370496. Its totient is φ = 42536244.

The previous prime is 42953359. The next prime is 42953371. The reversal of 42953369 is 96335924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42953369 - 24 = 42953353 is a prime.

It is a super-2 number, since 2×429533692 = 3689983816900322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42953329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208409 + ... + 208614.

It is an arithmetic number, because the mean of its divisors is an integer number (10842624).

Almost surely, 242953369 is an apocalyptic number.

It is an amenable number.

42953369 is a deficient number, since it is larger than the sum of its proper divisors (417127).

42953369 is a wasteful number, since it uses less digits than its factorization.

42953369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417126.

The product of its digits is 174960, while the sum is 41.

The square root of 42953369 is about 6553.8819794073. The cubic root of 42953369 is about 350.2131191824.

The spelling of 42953369 in words is "forty-two million, nine hundred fifty-three thousand, three hundred sixty-nine".

Divisors: 1 103 417023 42953369