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150809442 = 23718771913
BaseRepresentation
bin10001111110100…
…10101101100010
3101111202220122220
420333102231202
5302101400232
622544211510
73510600450
oct1077225542
9344686586
10150809442
1178145403
1242609b96
1325323474
14160599d0
15d38e42c
hex8fd2b62

150809442 has 32 divisors (see below), whose sum is σ = 345071232. Its totient is φ = 43042944.

The previous prime is 150809437. The next prime is 150809443. The reversal of 150809442 is 244908051.

It is not an unprimeable number, because it can be changed into a prime (150809443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77878 + ... + 79790.

It is an arithmetic number, because the mean of its divisors is an integer number (10783476).

Almost surely, 2150809442 is an apocalyptic number.

150809442 is an abundant number, since it is smaller than the sum of its proper divisors (194261790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150809442 is a wasteful number, since it uses less digits than its factorization.

150809442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 150809442 is about 12280.4495846040. The cubic root of 150809442 is about 532.2833044548.

The spelling of 150809442 in words is "one hundred fifty million, eight hundred nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1877 1913 3754 3826 5631 5739 11262 11478 13139 13391 26278 26782 39417 40173 78834 80346 3590701 7181402 10772103 21544206 25134907 50269814 75404721 150809442