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154214742 = 23112375741
BaseRepresentation
bin10010011000100…
…10000101010110
3101202011220212010
421030102011112
5303434332432
623145205050
73551542443
oct1114220526
9352156763
10154214742
117a060900
1243790786
1325c46436
14166a49ca
15d8133cc
hex9312156

154214742 has 48 divisors (see below), whose sum is σ = 348240816. Its totient is φ = 45460800.

The previous prime is 154214729. The next prime is 154214759. The reversal of 154214742 is 247412451.

154214742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23992 + ... + 29732.

It is an arithmetic number, because the mean of its divisors is an integer number (7255017).

Almost surely, 2154214742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154214742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174120408).

154214742 is an abundant number, since it is smaller than the sum of its proper divisors (194026074).

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

154214742 is a wasteful number, since it uses less digits than its factorization.

154214742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5794 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 154214742 is about 12418.3228336197. The cubic root of 154214742 is about 536.2598683260.

The spelling of 154214742 in words is "one hundred fifty-four million, two hundred fourteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 121 222 242 363 407 726 814 1221 2442 4477 5741 8954 11482 13431 17223 26862 34446 63151 126302 189453 212417 378906 424834 637251 694661 1274502 1389322 2083983 2336587 4167966 4673174 7009761 14019522 25702457 51404914 77107371 154214742