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193970045 = 5153125339
BaseRepresentation
bin10111000111110…
…11111101111101
3111111222200212202
423203323331331
5344124020140
631125241245
74543501223
oct1343737575
9444880782
10193970045
119a544625
1254b63225
1331255799
141ba92b13
1512067915
hexb8fbf7d

193970045 has 8 divisors (see below), whose sum is σ = 232925280. Its totient is φ = 155068560.

The previous prime is 193969991. The next prime is 193970053. The reversal of 193970045 is 540079391.

It is a happy number.

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

It is not a de Polignac number, because 193970045 - 210 = 193969021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193969990 and 193970008.

It is a congruent number.

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, 5015 + ... + 20324.

It is an arithmetic number, because the mean of its divisors is an integer number (29115660).

Almost surely, 2193970045 is an apocalyptic number.

It is an amenable number.

193970045 is a deficient number, since it is larger than the sum of its proper divisors (38955235).

193970045 is a wasteful number, since it uses less digits than its factorization.

193970045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26875.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 193970045 is about 13927.3129138395. The cubic root of 193970045 is about 578.8662404307.

The spelling of 193970045 in words is "one hundred ninety-three million, nine hundred seventy thousand, forty-five".

Divisors: 1 5 1531 7655 25339 126695 38794009 193970045