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150274421 = 1113661311
BaseRepresentation
bin10001111010100…
…00000101110101
3101110202201202022
420331100011311
5301432240141
622524522525
73503211563
oct1075200565
9343681668
10150274421
117790a440
12423b0445
1325196a9b
1415d5aa33
15d2d5b4b
hex8f50175

150274421 has 4 divisors (see below), whose sum is σ = 163935744. Its totient is φ = 136613100.

The previous prime is 150274417. The next prime is 150274459. The reversal of 150274421 is 124472051.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124472051 = 1111315641.

It is a cyclic number.

It is not a de Polignac number, because 150274421 - 22 = 150274417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150274721) 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 3 ways as a sum of consecutive naturals, for example, 6830645 + ... + 6830666.

It is an arithmetic number, because the mean of its divisors is an integer number (40983936).

Almost surely, 2150274421 is an apocalyptic number.

150274421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150274421 is a deficient number, since it is larger than the sum of its proper divisors (13661323).

150274421 is a wasteful number, since it uses less digits than its factorization.

150274421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13661322.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 150274421 is about 12258.6467850248. The cubic root of 150274421 is about 531.6531047838.

The spelling of 150274421 in words is "one hundred fifty million, two hundred seventy-four thousand, four hundred twenty-one".

Divisors: 1 11 13661311 150274421