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38896740 = 2233572031
BaseRepresentation
bin1001010001100…
…0010001100100
32201012011022000
42110120101210
534424143430
63505405300
7651421401
oct224302144
981164260
1038896740
111aa57773
1211039830
13809b62c
1452472a8
153634e60
hex2518464

38896740 has 48 divisors (see below), whose sum is σ = 121013760. Its totient is φ = 10372320.

The previous prime is 38896727. The next prime is 38896751. The reversal of 38896740 is 4769883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 35476 + ... + 36555.

It is an arithmetic number, because the mean of its divisors is an integer number (2521120).

Almost surely, 238896740 is an apocalyptic number.

38896740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38896740 is an abundant number, since it is smaller than the sum of its proper divisors (82117020).

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

38896740 is a wasteful number, since it uses less digits than its factorization.

38896740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72049 (or 72041 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 38896740 is about 6236.7251021670. The cubic root of 38896740 is about 338.8215836158.

The spelling of 38896740 in words is "thirty-eight million, eight hundred ninety-six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 72031 144062 216093 288124 360155 432186 648279 720310 864372 1080465 1296558 1440620 1944837 2160930 2593116 3241395 3889674 4321860 6482790 7779348 9724185 12965580 19448370 38896740