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117285426 = 232137199239
BaseRepresentation
bin1101111110110…
…10001000110010
322011200201100200
412333122020302
5220011113201
615345500030
72622624006
oct677321062
9264621320
10117285426
1160228305
1233341616
131b3b647b
1411810706
15a46b386
hex6fda232

117285426 has 48 divisors (see below), whose sum is σ = 258336000. Its totient is φ = 38453184.

The previous prime is 117285409. The next prime is 117285457. The reversal of 117285426 is 624582711.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490615 + ... + 490853.

It is an arithmetic number, because the mean of its divisors is an integer number (5382000).

Almost surely, 2117285426 is an apocalyptic number.

117285426 is an abundant number, since it is smaller than the sum of its proper divisors (141050574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117285426 is a wasteful number, since it uses less digits than its factorization.

117285426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 580 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 117285426 is about 10829.8396110007. The cubic root of 117285426 is about 489.4947255792.

It can be divided in two parts, 117285 and 426, that added together give a palindrome (117711).

The spelling of 117285426 in words is "one hundred seventeen million, two hundred eighty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 137 199 239 274 398 411 478 597 717 822 1194 1233 1434 1791 2151 2466 3582 4302 27263 32743 47561 54526 65486 81789 95122 98229 142683 163578 196458 245367 285366 294687 428049 490734 589374 856098 6515857 13031714 19547571 39095142 58642713 117285426