Search a number
-
+
136451560 = 23573713171
BaseRepresentation
bin10000010001000…
…01010111101000
3100111202110100111
420020201113220
5234412422220
621312344104
73244550650
oct1010412750
9314673314
10136451560
1170029093
1239845034
132236718b
141419d360
15bea515a
hex82215e8

136451560 has 64 divisors (see below), whose sum is σ = 360385920. Its totient is φ = 45515520.

The previous prime is 136451551. The next prime is 136451569. The reversal of 136451560 is 65154631.

It is an interprime number because it is at equal distance from previous prime (136451551) and next prime (136451569).

It is not an unprimeable number, because it can be changed into a prime (136451569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3775 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (5631030).

Almost surely, 2136451560 is an apocalyptic number.

136451560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136451560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180192960).

136451560 is an abundant number, since it is smaller than the sum of its proper divisors (223934360).

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

136451560 is a wasteful number, since it uses less digits than its factorization.

136451560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226 (or 13222 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 136451560 is about 11681.2482209736. The cubic root of 136451560 is about 514.8248501067.

The spelling of 136451560 in words is "one hundred thirty-six million, four hundred fifty-one thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 37 40 56 70 74 140 148 185 259 280 296 370 518 740 1036 1295 1480 2072 2590 5180 10360 13171 26342 52684 65855 92197 105368 131710 184394 263420 368788 460985 487327 526840 737576 921970 974654 1843940 1949308 2436635 3411289 3687880 3898616 4873270 6822578 9746540 13645156 17056445 19493080 27290312 34112890 68225780 136451560