Search a number
-
+
157134029 = 1353228061
BaseRepresentation
bin10010101110110…
…10110011001101
3101221200020100212
421113122303031
5310211242104
623331532205
73615421463
oct1127326315
9357606325
10157134029
1180775138
124475a065
1326729120
1416c24833
15dbdd36e
hex95daccd

157134029 has 8 divisors (see below), whose sum is σ = 172414872. Its totient is φ = 142309440.

The previous prime is 157134013. The next prime is 157134031. The reversal of 157134029 is 920431751.

It can be written as a sum of positive squares in 4 ways, for example, as 38105929 + 119028100 = 6173^2 + 10910^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157134029 - 24 = 157134013 is a prime.

It is a super-2 number, since 2×1571340292 = 49382206139545682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157133986 and 157134004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157134049) 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, 113342 + ... + 114719.

It is an arithmetic number, because the mean of its divisors is an integer number (21551859).

Almost surely, 2157134029 is an apocalyptic number.

It is an amenable number.

157134029 is a deficient number, since it is larger than the sum of its proper divisors (15280843).

157134029 is a wasteful number, since it uses less digits than its factorization.

157134029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228127.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 157134029 is about 12535.3112845274. The cubic root of 157134029 is about 539.6225402868.

The spelling of 157134029 in words is "one hundred fifty-seven million, one hundred thirty-four thousand, twenty-nine".

Divisors: 1 13 53 689 228061 2964793 12087233 157134029