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103071540 = 2235111341293
BaseRepresentation
bin1100010010010…
…11111100110100
321011221120120110
412021023330310
5202341242130
614121103020
72361044055
oct611137464
9234846513
10103071540
11531aa1a0
122a627a70
131847a8a0
14d99072c
1590aeab0
hex624bf34

103071540 has 192 divisors, whose sum is σ = 348509952. Its totient is φ = 22425600.

The previous prime is 103071509. The next prime is 103071557. The reversal of 103071540 is 45170301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351634 + ... + 351926.

It is an arithmetic number, because the mean of its divisors is an integer number (1815156).

Almost surely, 2103071540 is an apocalyptic number.

103071540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103071540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174254976).

103071540 is an abundant number, since it is smaller than the sum of its proper divisors (245438412).

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

103071540 is a wasteful number, since it uses less digits than its factorization.

103071540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 103071540 is about 10152.4154761318. The cubic root of 103071540 is about 468.8633162490.

The spelling of 103071540 in words is "one hundred three million, seventy-one thousand, five hundred forty".