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38235925 = 527613
BaseRepresentation
bin1001000111011…
…0111100010101
32122221120211101
42101312330111
534242022200
63443310101
7643000000
oct221667425
978846741
1038235925
111a646242
121097b331
137bc9910
145114537
15355426a
hex2476f15

38235925 has 42 divisors (see below), whose sum is σ = 59569538. Its totient is φ = 24202080.

The previous prime is 38235919. The next prime is 38235931. The reversal of 38235925 is 52953283.

It is an interprime number because it is at equal distance from previous prime (38235919) and next prime (38235931).

It can be written as a sum of positive squares in 3 ways, for example, as 117649 + 38118276 = 343^2 + 6174^2 .

It is not a de Polignac number, because 38235925 - 23 = 38235917 is a prime.

Its product of digits (64800) is a multiple of the sum of its prime divisors (25).

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 2941219 + ... + 2941231.

Almost surely, 238235925 is an apocalyptic number.

38235925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38235925 is a deficient number, since it is larger than the sum of its proper divisors (21333613).

38235925 is an frugal number, since it uses more digits than its factorization.

38235925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 25 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 38235925 is about 6183.5204374207. The cubic root of 38235925 is about 336.8918724332.

The spelling of 38235925 in words is "thirty-eight million, two hundred thirty-five thousand, nine hundred twenty-five".

Divisors: 1 5 7 13 25 35 49 65 91 175 245 325 343 455 637 1225 1715 2275 2401 3185 4459 8575 12005 15925 16807 22295 31213 60025 84035 111475 117649 156065 218491 420175 588245 780325 1092455 1529437 2941225 5462275 7647185 38235925