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158054220 = 22335292693
BaseRepresentation
bin10010110101110…
…11011101001100
3102000101222122000
421122323131030
5310430213340
623403352300
73626303322
oct1132733514
9360358560
10158054220
1181243525
1244b22690
132698bc0c
1416dc3d12
15dd20d30
hex96bb74c

158054220 has 48 divisors (see below), whose sum is σ = 491725920. Its totient is φ = 42147648.

The previous prime is 158054209. The next prime is 158054227. The reversal of 158054220 is 22450851.

It is a happy number.

It is a super-2 number, since 2×1580542202 = 49962272919616800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (158054227) 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, 145807 + ... + 146886.

It is an arithmetic number, because the mean of its divisors is an integer number (10244290).

Almost surely, 2158054220 is an apocalyptic number.

158054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158054220 is an abundant number, since it is smaller than the sum of its proper divisors (333671700).

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

158054220 is a wasteful number, since it uses less digits than its factorization.

158054220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292711 (or 292703 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 158054220 is about 12571.9616607751. The cubic root of 158054220 is about 540.6738501305.

The spelling of 158054220 in words is "one hundred fifty-eight million, fifty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 292693 585386 878079 1170772 1463465 1756158 2634237 2926930 3512316 4390395 5268474 5853860 7902711 8780790 10536948 13171185 15805422 17561580 26342370 31610844 39513555 52684740 79027110 158054220