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124400030 = 2519738969
BaseRepresentation
bin1110110101000…
…11000110011110
322200002011202112
413122203012132
5223321300110
620202154022
73040245206
oct732430636
9280064675
10124400030
1164247647
12357b2912
131ca078b1
1412743406
15adc4405
hex76a319e

124400030 has 32 divisors (see below), whose sum is σ = 238960800. Its totient is φ = 46490112.

The previous prime is 124400021. The next prime is 124400041. The reversal of 124400030 is 30004421.

It is a junction number, because it is equal to n+sod(n) for n = 124399978 and 124400014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9386 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (7467525).

Almost surely, 2124400030 is an apocalyptic number.

124400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124400030 is a deficient number, since it is larger than the sum of its proper divisors (114560770).

124400030 is a wasteful number, since it uses less digits than its factorization.

124400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 124400030 is about 11153.4761397512. The cubic root of 124400030 is about 499.1987567042.

Adding to 124400030 its reverse (30004421), we get a palindrome (154404451).

The spelling of 124400030 in words is "one hundred twenty-four million, four hundred thousand, thirty".

Divisors: 1 2 5 10 19 38 73 95 146 190 365 730 1387 2774 6935 8969 13870 17938 44845 89690 170411 340822 654737 852055 1309474 1704110 3273685 6547370 12440003 24880006 62200015 124400030