Search a number
-
+
115620204 = 22372316343
BaseRepresentation
bin1101110010000…
…11100101101100
322001120010002210
412321003211230
5214044321304
615250050420
72602520100
oct671034554
9261503083
10115620204
115a2a0197
1232879a10
131ac5252b
14114d9900
15a23cc89
hex6e4396c

115620204 has 72 divisors (see below), whose sum is σ = 324000768. Its totient is φ = 31963680.

The previous prime is 115620203. The next prime is 115620221. The reversal of 115620204 is 402026511.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (115620203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15057 + ... + 21399.

Almost surely, 2115620204 is an apocalyptic number.

115620204 is a gapful number since it is divisible by the number (14) 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 115620204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162000384).

115620204 is an abundant number, since it is smaller than the sum of its proper divisors (208380564).

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

115620204 is a wasteful number, since it uses less digits than its factorization.

115620204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 115620204 is about 10752.6835720205. The cubic root of 115620204 is about 487.1670541865.

Adding to 115620204 its reverse (402026511), we get a palindrome (517646715).

The spelling of 115620204 in words is "one hundred fifteen million, six hundred twenty thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 49 62 84 93 98 124 147 186 196 217 294 372 434 588 651 868 1302 1519 2604 3038 4557 6076 6343 9114 12686 18228 19029 25372 38058 44401 76116 88802 133203 177604 196633 266406 310807 393266 532812 589899 621614 786532 932421 1179798 1243228 1376431 1864842 2359596 2752862 3729684 4129293 5505724 8258586 9635017 16517172 19270034 28905051 38540068 57810102 115620204