Search a number
-
+
151243001 = 7132173739
BaseRepresentation
bin10010000001111…
…00100011111001
3101112120221101122
421000330203321
5302204234001
623001355025
73514354460
oct1100744371
9345527348
10151243001
1178411118
1242798a75
1325445900
141612d9d7
15d427b1b
hex903c8f9

151243001 has 24 divisors (see below), whose sum is σ = 188504640. Its totient is φ = 118812096.

The previous prime is 151242991. The next prime is 151243061. The reversal of 151243001 is 100342151.

It is not a de Polignac number, because 151243001 - 218 = 150980857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151243061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204290 + ... + 205028.

It is an arithmetic number, because the mean of its divisors is an integer number (7854360).

Almost surely, 2151243001 is an apocalyptic number.

It is an amenable number.

151243001 is a deficient number, since it is larger than the sum of its proper divisors (37261639).

151243001 is a wasteful number, since it uses less digits than its factorization.

151243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 151243001 is about 12298.0893231428. The cubic root of 151243001 is about 532.7928999094.

Adding to 151243001 its reverse (100342151), we get a palindrome (251585152).

The spelling of 151243001 in words is "one hundred fifty-one million, two hundred forty-three thousand, one".

Divisors: 1 7 13 91 169 173 739 1183 1211 2249 5173 9607 15743 29237 67249 124891 127847 204659 874237 894929 1662011 11634077 21606143 151243001