Search a number
-
+
253157606 = 2132748987
BaseRepresentation
bin11110001011011…
…10000011100110
3122122100201221122
433011232003212
51004302020411
641042013542
76162542552
oct1705560346
9578321848
10253157606
1111a9a0069
12709472b2
13405a9a00
142589c862
15173599db
hexf16e0e6

253157606 has 12 divisors (see below), whose sum is σ = 411194412. Its totient is φ = 116841816.

The previous prime is 253157599. The next prime is 253157683. The reversal of 253157606 is 606751352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374156 + ... + 374831.

It is an arithmetic number, because the mean of its divisors is an integer number (34266201).

Almost surely, 2253157606 is an apocalyptic number.

253157606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

253157606 is a deficient number, since it is larger than the sum of its proper divisors (158036806).

253157606 is a wasteful number, since it uses less digits than its factorization.

253157606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749015 (or 749002 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 253157606 is about 15910.9272514206. The cubic root of 253157606 is about 632.6016592575.

The spelling of 253157606 in words is "two hundred fifty-three million, one hundred fifty-seven thousand, six hundred six".

Divisors: 1 2 13 26 169 338 748987 1497974 9736831 19473662 126578803 253157606