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38465680 = 2451143711
BaseRepresentation
bin1001001010111…
…1000010010000
32200101020222211
42102233002100
534321400210
63452241504
7644644561
oct222570220
980336884
1038465680
111a792920
1210a70294
137c7a376
145174168
15359c38a
hex24af090

38465680 has 40 divisors (see below), whose sum is σ = 97565184. Its totient is φ = 13987200.

The previous prime is 38465677. The next prime is 38465701. The reversal of 38465680 is 8656483.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 20976 + ... + 22735.

Almost surely, 238465680 is an apocalyptic number.

It is an amenable number.

38465680 is an abundant number, since it is smaller than the sum of its proper divisors (59099504).

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

38465680 is a wasteful number, since it uses less digits than its factorization.

38465680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43735 (or 43729 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 38465680 is about 6202.0706219778. The cubic root of 38465680 is about 337.5653060639.

The spelling of 38465680 in words is "thirty-eight million, four hundred sixty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 43711 87422 174844 218555 349688 437110 480821 699376 874220 961642 1748440 1923284 2404105 3496880 3846568 4808210 7693136 9616420 19232840 38465680