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38140158 = 2373472617
BaseRepresentation
bin1001000101111…
…1100011111110
32122202201110110
42101133203332
534230441113
63441250450
7642120540
oct221374376
978681413
1038140158
111a5902a1
1210933a26
137b95154
1450cb690
153535bc3
hex245f8fe

38140158 has 32 divisors (see below), whose sum is σ = 87462144. Its totient is φ = 10861632.

The previous prime is 38140147. The next prime is 38140169. The reversal of 38140158 is 85104183.

It is an interprime number because it is at equal distance from previous prime (38140147) and next prime (38140169).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13266 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (2733192).

Almost surely, 238140158 is an apocalyptic number.

38140158 is an abundant number, since it is smaller than the sum of its proper divisors (49321986).

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

38140158 is a wasteful number, since it uses less digits than its factorization.

38140158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 38140158 is about 6175.7718545944. The cubic root of 38140158 is about 336.6103736659.

The spelling of 38140158 in words is "thirty-eight million, one hundred forty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 347 694 1041 2082 2429 2617 4858 5234 7287 7851 14574 15702 18319 36638 54957 109914 908099 1816198 2724297 5448594 6356693 12713386 19070079 38140158