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30147036 = 22353107443
BaseRepresentation
bin111001100000…
…0000111011100
32002201121221220
41303000013130
530204201121
62554053340
7514150143
oct163000734
962647856
1030147036
1116020a07
12a11a250
136326baa
14400a75a
1529a76c6
hex1cc01dc

30147036 has 48 divisors (see below), whose sum is σ = 72503424. Its totient is φ = 9745216.

The previous prime is 30147031. The next prime is 30147041. The reversal of 30147036 is 63074103.

It is an interprime number because it is at equal distance from previous prime (30147031) and next prime (30147041).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30146997 and 30147015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67831 + ... + 68273.

It is an arithmetic number, because the mean of its divisors is an integer number (1510488).

Almost surely, 230147036 is an apocalyptic number.

It is an amenable number.

30147036 is an abundant number, since it is smaller than the sum of its proper divisors (42356388).

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

30147036 is a wasteful number, since it uses less digits than its factorization.

30147036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30147036 is about 5490.6316576511. The cubic root of 30147036 is about 311.2300624315.

The spelling of 30147036 in words is "thirty million, one hundred forty-seven thousand, thirty-six".

Divisors: 1 2 3 4 6 12 53 106 107 159 212 214 318 321 428 443 636 642 886 1284 1329 1772 2658 5316 5671 11342 17013 22684 23479 34026 46958 47401 68052 70437 93916 94802 140874 142203 189604 281748 284406 568812 2512253 5024506 7536759 10049012 15073518 30147036