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38706492 = 22311973023
BaseRepresentation
bin1001001110100…
…1110100111100
32200211111022210
42103221310330
534402101432
63501340420
7646666626
oct223516474
980744283
1038706492
111a937840
1210b67710
138032b66
1451d7c16
1535e88cc
hex24e9d3c

38706492 has 48 divisors (see below), whose sum is σ = 99574272. Its totient is φ = 11604480.

The previous prime is 38706491. The next prime is 38706497. The reversal of 38706492 is 29460783.

It is a self number, because there is not a number n which added to its sum of digits gives 38706492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38706491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11293 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (2074464).

Almost surely, 238706492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38706492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49787136).

38706492 is an abundant number, since it is smaller than the sum of its proper divisors (60867780).

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

38706492 is a wasteful number, since it uses less digits than its factorization.

38706492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 38706492 is about 6221.4541708511. The cubic root of 38706492 is about 338.2682766730.

The spelling of 38706492 in words is "thirty-eight million, seven hundred six thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 132 194 291 388 582 1067 1164 2134 3023 3201 4268 6046 6402 9069 12092 12804 18138 33253 36276 66506 99759 133012 199518 293231 399036 586462 879693 1172924 1759386 3225541 3518772 6451082 9676623 12902164 19353246 38706492