Search a number
-
+
154030129 = 1114002739
BaseRepresentation
bin10010010111001…
…01000000110001
3101201211112121121
421023211000301
5303412431004
623141222241
73550143301
oct1113450061
9351745547
10154030129
1179a45130
1243701981
1325bb03b6
1416657601
15d7c8854
hex92e5031

154030129 has 4 divisors (see below), whose sum is σ = 168032880. Its totient is φ = 140027380.

The previous prime is 154030127. The next prime is 154030133. The reversal of 154030129 is 921030451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154030129 - 21 = 154030127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154030127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7001359 + ... + 7001380.

It is an arithmetic number, because the mean of its divisors is an integer number (42008220).

Almost surely, 2154030129 is an apocalyptic number.

It is an amenable number.

154030129 is a deficient number, since it is larger than the sum of its proper divisors (14002751).

154030129 is a wasteful number, since it uses less digits than its factorization.

154030129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002750.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 154030129 is about 12410.8875186265. The cubic root of 154030129 is about 536.0457943813.

The spelling of 154030129 in words is "one hundred fifty-four million, thirty thousand, one hundred twenty-nine".

Divisors: 1 11 14002739 154030129