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151156490 = 2515115649
BaseRepresentation
bin10010000001001…
…11011100001010
3101112102112201112
421000213130022
5302144001430
622555450322
73513544322
oct1100473412
9345375645
10151156490
1178362121
12427569a2
1325415414
141610a282
15d40c195
hex902770a

151156490 has 8 divisors (see below), whose sum is σ = 272081700. Its totient is φ = 60462592.

The previous prime is 151156459. The next prime is 151156493. The reversal of 151156490 is 94651151.

It can be written as a sum of positive squares in 2 ways, for example, as 149352841 + 1803649 = 12221^2 + 1343^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151156493) 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, 7557815 + ... + 7557834.

Almost surely, 2151156490 is an apocalyptic number.

151156490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151156490 is a deficient number, since it is larger than the sum of its proper divisors (120925210).

151156490 is a wasteful number, since it uses less digits than its factorization.

151156490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15115656.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 151156490 is about 12294.5715663459. The cubic root of 151156490 is about 532.6912946839.

The spelling of 151156490 in words is "one hundred fifty-one million, one hundred fifty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 15115649 30231298 75578245 151156490