Search a number
-
+
101288157 = 3733171459
BaseRepresentation
bin1100000100110…
…00100011011101
321001120222020020
412002120203131
5201412210112
614014542353
72336635515
oct602304335
9231528206
10101288157
11521a1323
1229b079b9
1317ca4c29
14d648845
158d5b48c
hex60988dd

101288157 has 16 divisors (see below), whose sum is σ = 137426880. Its totient is φ = 66344832.

The previous prime is 101288119. The next prime is 101288197. The reversal of 101288157 is 751882101.

It is not a de Polignac number, because 101288157 - 26 = 101288093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101288197) 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, 68694 + ... + 70152.

It is an arithmetic number, because the mean of its divisors is an integer number (8589180).

Almost surely, 2101288157 is an apocalyptic number.

It is an amenable number.

101288157 is a deficient number, since it is larger than the sum of its proper divisors (36138723).

101288157 is a wasteful number, since it uses less digits than its factorization.

101288157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 101288157 is about 10064.2017567217. The cubic root of 101288157 is about 466.1434180067.

The spelling of 101288157 in words is "one hundred one million, two hundred eighty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 73 219 317 951 1459 4377 23141 69423 106507 319521 462503 1387509 33762719 101288157