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38145702 = 2377391229
BaseRepresentation
bin1001000110000…
…0111010100110
32122210000001210
42101200322212
534231130302
63441332250
7642142650
oct221407246
978700053
1038145702
111a594481
1210937086
137b9782a
1450cd6d0
15353766c
hex2460ea6

38145702 has 32 divisors (see below), whose sum is σ = 87379200. Its totient is φ = 10875168.

The previous prime is 38145697. The next prime is 38145719. The reversal of 38145702 is 20754183.

It is a self number, because there is not a number n which added to its sum of digits gives 38145702.

It is a congruent number.

It is an unprimeable number.

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, 30424 + ... + 31652.

It is an arithmetic number, because the mean of its divisors is an integer number (2730600).

Almost surely, 238145702 is an apocalyptic number.

38145702 is an abundant number, since it is smaller than the sum of its proper divisors (49233498).

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

38145702 is a wasteful number, since it uses less digits than its factorization.

38145702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 38145702 is about 6176.2206890622. The cubic root of 38145702 is about 336.6266826133.

Adding to 38145702 its reverse (20754183), we get a palindrome (58899885).

The spelling of 38145702 in words is "thirty-eight million, one hundred forty-five thousand, seven hundred two".

Divisors: 1 2 3 6 7 14 21 42 739 1229 1478 2217 2458 3687 4434 5173 7374 8603 10346 15519 17206 25809 31038 51618 908231 1816462 2724693 5449386 6357617 12715234 19072851 38145702