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38541490 = 2513296473
BaseRepresentation
bin1001001100000…
…1100010110010
32200112002222121
42103001202302
534331311430
63454024454
7645411601
oct223014262
980462877
1038541490
111a834879
1210aa812a
137ca5a20
145193a38
1535b4a7a
hex24c18b2

38541490 has 16 divisors (see below), whose sum is σ = 74711448. Its totient is φ = 14230656.

The previous prime is 38541473. The next prime is 38541523. The reversal of 38541490 is 9414583.

It can be written as a sum of positive squares in 4 ways, for example, as 29257281 + 9284209 = 5409^2 + 3047^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148107 + ... + 148366.

Almost surely, 238541490 is an apocalyptic number.

38541490 is a deficient number, since it is larger than the sum of its proper divisors (36169958).

38541490 is a wasteful number, since it uses less digits than its factorization.

38541490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296493.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 38541490 is about 6208.1792822050. The cubic root of 38541490 is about 337.7869238139.

The spelling of 38541490 in words is "thirty-eight million, five hundred forty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 296473 592946 1482365 2964730 3854149 7708298 19270745 38541490