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151370042 = 275685021
BaseRepresentation
bin10010000010110…
…11100100111010
3101112211101122212
421001123210322
5302222320132
623004215122
73515424035
oct1101334472
9345741585
10151370042
117849860a
124283a4a2
132548b695
141616401c
15d4505b2
hex905b93a

151370042 has 4 divisors (see below), whose sum is σ = 227055066. Its totient is φ = 75685020.

The previous prime is 151369949. The next prime is 151370047. The reversal of 151370042 is 240073151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82828201 + 68541841 = 9101^2 + 8279^2 .

It is not an unprimeable number, because it can be changed into a prime (151370047) 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 as a sum of consecutive naturals, namely, 37842509 + ... + 37842512.

Almost surely, 2151370042 is an apocalyptic number.

151370042 is a deficient number, since it is larger than the sum of its proper divisors (75685024).

151370042 is an equidigital number, since it uses as much as digits as its factorization.

151370042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75685023.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 151370042 is about 12303.2533095925. The cubic root of 151370042 is about 532.9420365073.

The spelling of 151370042 in words is "one hundred fifty-one million, three hundred seventy thousand, forty-two".

Divisors: 1 2 75685021 151370042