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30540100 = 2252305401
BaseRepresentation
bin111010010000…
…0000101000100
32010110121010211
41310200011010
530304240400
63010325204
7520405123
oct164400504
963417124
1030540100
111626a258
12a289804
136433a86
1440adaba
152a33dba
hex1d20144

30540100 has 18 divisors (see below), whose sum is σ = 66272234. Its totient is φ = 12216000.

The previous prime is 30540091. The next prime is 30540101. The reversal of 30540100 is 104503.

It can be written as a sum of positive squares in 3 ways, for example, as 334084 + 30206016 = 578^2 + 5496^2 .

It is not an unprimeable number, because it can be changed into a prime (30540101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152601 + ... + 152800.

Almost surely, 230540100 is an apocalyptic number.

It is an amenable number.

30540100 is an abundant number, since it is smaller than the sum of its proper divisors (35732134).

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

30540100 is a wasteful number, since it uses less digits than its factorization.

30540100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305415 (or 305408 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30540100 is about 5526.3097994955. The cubic root of 30540100 is about 312.5768557633.

Adding to 30540100 its reverse (104503), we get a palindrome (30644603).

The spelling of 30540100 in words is "thirty million, five hundred forty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 305401 610802 1221604 1527005 3054010 6108020 7635025 15270050 30540100