Search a number
-
+
149203537 = 71271571069
BaseRepresentation
bin10001110010010…
…10101001010001
3101101202022202221
420321022221101
5301144003122
622445541041
73461131510
oct1071125121
9341668687
10149203537
117724890a
1241b74781
1324bb0522
1415b5c677
15d1736c7
hex8e4aa51

149203537 has 16 divisors (see below), whose sum is σ = 173117440. Its totient is φ = 125955648.

The previous prime is 149203529. The next prime is 149203547. The reversal of 149203537 is 735302941.

It is not a de Polignac number, because 149203537 - 23 = 149203529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149203547) 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, 139039 + ... + 140107.

It is an arithmetic number, because the mean of its divisors is an integer number (10819840).

Almost surely, 2149203537 is an apocalyptic number.

It is an amenable number.

149203537 is a deficient number, since it is larger than the sum of its proper divisors (23913903).

149203537 is a wasteful number, since it uses less digits than its factorization.

149203537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 149203537 is about 12214.8899708511. The cubic root of 149203537 is about 530.3872060704.

The spelling of 149203537 in words is "one hundred forty-nine million, two hundred three thousand, five hundred thirty-seven".

Divisors: 1 7 127 157 889 1069 1099 7483 19939 135763 139573 167833 950341 1174831 21314791 149203537