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151146742 = 2897191181
BaseRepresentation
bin10010000001001…
…01000011110110
3101112102001100111
421000211003312
5302143143432
622555333234
73513504025
oct1100450366
9345361314
10151146742
117835586a
124275121a
1325410b56
14161068bc
15d409347
hex90250f6

151146742 has 16 divisors (see below), whose sum is σ = 229780800. Its totient is φ = 74557120.

The previous prime is 151146733. The next prime is 151146817. The reversal of 151146742 is 247641151.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 127392 + ... + 128572.

It is an arithmetic number, because the mean of its divisors is an integer number (14361300).

Almost surely, 2151146742 is an apocalyptic number.

151146742 is a deficient number, since it is larger than the sum of its proper divisors (78634058).

151146742 is a wasteful number, since it uses less digits than its factorization.

151146742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its digits is 6720, while the sum is 31.

The square root of 151146742 is about 12294.1751248305. The cubic root of 151146742 is about 532.6798434469.

Adding to 151146742 its reverse (247641151), we get a palindrome (398787893).

The spelling of 151146742 in words is "one hundred fifty-one million, one hundred forty-six thousand, seven hundred forty-two".

Divisors: 1 2 89 178 719 1181 1438 2362 63991 105109 127982 210218 849139 1698278 75573371 151146742