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158541420 = 22352642357
BaseRepresentation
bin10010111001100…
…10011001101100
3102001022201221110
421130302121230
5311041311140
623422032020
73633402612
oct1134623154
9361281843
10158541420
1181546574
1245118610
1326acc8bb
14170ad6b2
15ddba380
hex973266c

158541420 has 24 divisors (see below), whose sum is σ = 443916144. Its totient is φ = 42277696.

The previous prime is 158541419. The next prime is 158541433. The reversal of 158541420 is 24145851.

158541420 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321119 + ... + 1321238.

It is an arithmetic number, because the mean of its divisors is an integer number (18496506).

Almost surely, 2158541420 is an apocalyptic number.

158541420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158541420 is an abundant number, since it is smaller than the sum of its proper divisors (285374724).

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

158541420 is a wasteful number, since it uses less digits than its factorization.

158541420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642369 (or 2642367 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 158541420 is about 12591.3232029045. The cubic root of 158541420 is about 541.2288202398.

The spelling of 158541420 in words is "one hundred fifty-eight million, five hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2642357 5284714 7927071 10569428 13211785 15854142 26423570 31708284 39635355 52847140 79270710 158541420