Search a number
-
+
158227872 = 25311149837
BaseRepresentation
bin10010110111001…
…01110110100000
3102000201210211120
421123211312200
5311001242442
623411212240
73630625515
oct1133456640
9360653746
10158227872
1181351a40
1244ba7080
1326a1cc7a
141702b30c
15dd574ec
hex96e5da0

158227872 has 48 divisors (see below), whose sum is σ = 453110112. Its totient is φ = 47947520.

The previous prime is 158227871. The next prime is 158227889. The reversal of 158227872 is 278722851.

158227872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (158227871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73863 + ... + 75974.

It is an arithmetic number, because the mean of its divisors is an integer number (9439794).

Almost surely, 2158227872 is an apocalyptic number.

158227872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158227872 is an abundant number, since it is smaller than the sum of its proper divisors (294882240).

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

158227872 is a wasteful number, since it uses less digits than its factorization.

158227872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149861 (or 149853 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 158227872 is about 12578.8660856215. The cubic root of 158227872 is about 540.8717879679.

The spelling of 158227872 in words is "one hundred fifty-eight million, two hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 149837 299674 449511 599348 899022 1198696 1648207 1798044 2397392 3296414 3596088 4794784 4944621 6592828 7192176 9889242 13185656 14384352 19778484 26371312 39556968 52742624 79113936 158227872