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149827042 = 274913521
BaseRepresentation
bin10001110111000…
…10110111100010
3101102221000001201
420323202313202
5301323431132
622511151414
73466336351
oct1073426742
9342830051
10149827042
1177634302
124221556a
132506b271
1415c81998
15d2482e7
hex8ee2de2

149827042 has 4 divisors (see below), whose sum is σ = 224740566. Its totient is φ = 74913520.

The previous prime is 149827033. The next prime is 149827081. The reversal of 149827042 is 240728941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240728941 = 578341627.

It can be written as a sum of positive squares in only one way, i.e., 126585001 + 23242041 = 11251^2 + 4821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149826992 and 149827010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37456759 + ... + 37456762.

Almost surely, 2149827042 is an apocalyptic number.

149827042 is a deficient number, since it is larger than the sum of its proper divisors (74913524).

149827042 is an equidigital number, since it uses as much as digits as its factorization.

149827042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74913523.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 149827042 is about 12240.3856965375. The cubic root of 149827042 is about 531.1249890491.

The spelling of 149827042 in words is "one hundred forty-nine million, eight hundred twenty-seven thousand, forty-two".

Divisors: 1 2 74913521 149827042