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158493408 = 2534493677
BaseRepresentation
bin10010111001001…
…10101011100000
3102001020022002020
421130212223200
5311033242113
623421021440
73633112623
oct1134465340
9361208066
10158493408
1181513497
12450b4880
1326ab3aa8
1417099dba
15ddab023
hex9726ae0

158493408 has 48 divisors (see below), whose sum is σ = 417085200. Its totient is φ = 52699136.

The previous prime is 158493389. The next prime is 158493451. The reversal of 158493408 is 804394851.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 158493408.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 41266 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (8689275).

Almost surely, 2158493408 is an apocalyptic number.

It is an amenable number.

158493408 is an abundant number, since it is smaller than the sum of its proper divisors (258591792).

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

158493408 is a wasteful number, since it uses less digits than its factorization.

158493408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 158493408 is about 12589.4165075273. The cubic root of 158493408 is about 541.1741802564.

The spelling of 158493408 in words is "one hundred fifty-eight million, four hundred ninety-three thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 449 898 1347 1796 2694 3592 3677 5388 7184 7354 10776 11031 14368 14708 21552 22062 29416 43104 44124 58832 88248 117664 176496 352992 1650973 3301946 4952919 6603892 9905838 13207784 19811676 26415568 39623352 52831136 79246704 158493408