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151488073 = 1113771643
BaseRepresentation
bin10010000011110…
…00011001001001
3101120001101120101
421001320121021
5302240104243
623010525401
73516425122
oct1101703111
9346041511
10151488073
1178569260
1242896861
1325500319
1416195049
15d47554d
hex9078649

151488073 has 4 divisors (see below), whose sum is σ = 165259728. Its totient is φ = 137716420.

The previous prime is 151488059. The next prime is 151488079. The reversal of 151488073 is 370884151.

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 a de Polignac number, because none of the positive numbers 2k-151488073 is a prime.

It is a super-2 number, since 2×1514880732 = 45897272522506658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151488079) 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, 6885811 + ... + 6885832.

It is an arithmetic number, because the mean of its divisors is an integer number (41314932).

Almost surely, 2151488073 is an apocalyptic number.

It is an amenable number.

151488073 is a deficient number, since it is larger than the sum of its proper divisors (13771655).

151488073 is a wasteful number, since it uses less digits than its factorization.

151488073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771654.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 151488073 is about 12308.0491142991. The cubic root of 151488073 is about 533.0805212827.

The spelling of 151488073 in words is "one hundred fifty-one million, four hundred eighty-eight thousand, seventy-three".

Divisors: 1 11 13771643 151488073