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38493030 = 2352355787
BaseRepresentation
bin1001001011010…
…1101101100110
32200102122111210
42102311231212
534323234110
63453012250
7645120402
oct222655546
980378453
1038493030
111a801424
1210a84086
137c89954
145180102
1535a5520
hex24b5b66

38493030 has 32 divisors (see below), whose sum is σ = 96401664. Its totient is φ = 9818336.

The previous prime is 38493017. The next prime is 38493067. The reversal of 38493030 is 3039483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 27204 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (3012552).

Almost surely, 238493030 is an apocalyptic number.

38493030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38493030 is an abundant number, since it is smaller than the sum of its proper divisors (57908634).

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

38493030 is a wasteful number, since it uses less digits than its factorization.

38493030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55820.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38493030 is about 6204.2751389667. The cubic root of 38493030 is about 337.6452927242.

The spelling of 38493030 in words is "thirty-eight million, four hundred ninety-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 55787 111574 167361 278935 334722 557870 836805 1283101 1673610 2566202 3849303 6415505 7698606 12831010 19246515 38493030