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142162554 = 23791072803
BaseRepresentation
bin10000111100100…
…11101001111010
3100220111121100210
420132103221322
5242343200204
622035011550
73344235042
oct1036235172
9326447323
10142162554
1173279916
123b739bb6
13235b6771
1414c48722
15c732389
hex8793a7a

142162554 has 32 divisors (see below), whose sum is σ = 290718720. Its totient is φ = 46333872.

The previous prime is 142162549. The next prime is 142162607. The reversal of 142162554 is 455261241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49317 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (9084960).

Almost surely, 2142162554 is an apocalyptic number.

142162554 is an abundant number, since it is smaller than the sum of its proper divisors (148556166).

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

142162554 is a wasteful number, since it uses less digits than its factorization.

142162554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its digits is 9600, while the sum is 30.

The square root of 142162554 is about 11923.1939512867. The cubic root of 142162554 is about 521.9093440723.

The spelling of 142162554 in words is "one hundred forty-two million, one hundred sixty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 79 107 158 214 237 321 474 642 2803 5606 8409 8453 16818 16906 25359 50718 221437 299921 442874 599842 664311 899763 1328622 1799526 23693759 47387518 71081277 142162554