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124000030 = 25711161039
BaseRepresentation
bin1110110010000…
…01011100011110
322122022212001201
413121001130132
5223221000110
620145430114
73033661060
oct731013436
9278285051
10124000030
1163aa4070
123563b33a
131c8c77cb
141267b730
15ad45b3a
hex764171e

124000030 has 32 divisors (see below), whose sum is σ = 278277120. Its totient is φ = 38649120.

The previous prime is 124000021. The next prime is 124000039. The reversal of 124000030 is 30000421.

It is an interprime number because it is at equal distance from previous prime (124000021) and next prime (124000039).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 123999980 and 124000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124000039) 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, 79750 + ... + 81289.

It is an arithmetic number, because the mean of its divisors is an integer number (8696160).

Almost surely, 2124000030 is an apocalyptic number.

124000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124000030 is an abundant number, since it is smaller than the sum of its proper divisors (154277090).

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

124000030 is a wasteful number, since it uses less digits than its factorization.

124000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161064.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 124000030 is about 11135.5300726997. The cubic root of 124000030 is about 498.6631354386.

Adding to 124000030 its reverse (30000421), we get a palindrome (154000451).

The spelling of 124000030 in words is "one hundred twenty-four million, thirty", and thus it is an aban number.

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 161039 322078 805195 1127273 1610390 1771429 2254546 3542858 5636365 8857145 11272730 12400003 17714290 24800006 62000015 124000030