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38829490 = 257554707
BaseRepresentation
bin1001010000011…
…1110110110010
32201001202001021
42110013312302
534420020430
63504130054
7651021340
oct224076662
981052037
1038829490
111aa11197
121100692a
138076b3b
14522a990
15362007a
hex2507db2

38829490 has 16 divisors (see below), whose sum is σ = 79877952. Its totient is φ = 13312944.

The previous prime is 38829457. The next prime is 38829491. The reversal of 38829490 is 9492883.

It is a happy number.

38829490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38829491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277284 + ... + 277423.

It is an arithmetic number, because the mean of its divisors is an integer number (4992372).

Almost surely, 238829490 is an apocalyptic number.

38829490 is an abundant number, since it is smaller than the sum of its proper divisors (41048462).

38829490 is a wasteful number, since it uses less digits than its factorization.

38829490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554721.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 38829490 is about 6231.3313184263. The cubic root of 38829490 is about 338.6262039530.

The spelling of 38829490 in words is "thirty-eight million, eight hundred twenty-nine thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 554707 1109414 2773535 3882949 5547070 7765898 19414745 38829490