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38274345 = 32529139211
BaseRepresentation
bin1001001000000…
…0010100101001
32200000112112100
42102000110221
534244234340
63444204013
7643220004
oct222002451
980015470
1038274345
111a67209a
1210999609
137c11255
14512453b
153560830
hex2480529

38274345 has 48 divisors (see below), whose sum is σ = 69451200. Its totient is φ = 19474560.

The previous prime is 38274337. The next prime is 38274349. The reversal of 38274345 is 54347283.

It is a happy number.

It is not a de Polignac number, because 38274345 - 23 = 38274337 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38274349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181290 + ... + 181500.

It is an arithmetic number, because the mean of its divisors is an integer number (1446900).

Almost surely, 238274345 is an apocalyptic number.

It is an amenable number.

38274345 is a deficient number, since it is larger than the sum of its proper divisors (31176855).

38274345 is a wasteful number, since it uses less digits than its factorization.

38274345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 38274345 is about 6186.6263019517. The cubic root of 38274345 is about 337.0046725718.

The spelling of 38274345 in words is "thirty-eight million, two hundred seventy-four thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 29 45 87 139 145 211 261 417 435 633 695 1055 1251 1305 1899 2085 3165 4031 6119 6255 9495 12093 18357 20155 29329 30595 36279 55071 60465 87987 91785 146645 181395 263961 275355 439935 850541 1319805 2551623 4252705 7654869 12758115 38274345