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245885136 = 24372104543
BaseRepresentation
bin11101010011111…
…10100011010000
3122010200020222220
432221332203100
51000421311021
640222101040
76043663200
oct1651764320
9563606886
10245885136
11116883162
126a41a780
133bc31783
1424928400
15168becc6
hexea7e8d0

245885136 has 60 divisors (see below), whose sum is σ = 738916992. Its totient is φ = 70252224.

The previous prime is 245885131. The next prime is 245885147. The reversal of 245885136 is 631588542.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245885131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49920 + ... + 54623.

Almost surely, 2245885136 is an apocalyptic number.

It is an amenable number.

245885136 is an abundant number, since it is smaller than the sum of its proper divisors (493031856).

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

245885136 is a wasteful number, since it uses less digits than its factorization.

245885136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104568 (or 104555 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 245885136 is about 15680.7249832398. The cubic root of 245885136 is about 626.4851176723.

The spelling of 245885136 in words is "two hundred forty-five million, eight hundred eighty-five thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 588 784 1176 2352 104543 209086 313629 418172 627258 731801 836344 1254516 1463602 1672688 2195403 2509032 2927204 4390806 5018064 5122607 5854408 8781612 10245214 11708816 15367821 17563224 20490428 30735642 35126448 40980856 61471284 81961712 122942568 245885136