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103140740 = 225192311801
BaseRepresentation
bin1100010010111…
…00110110000100
321012002002111102
412021130312010
5202401000430
614122355232
72361452603
oct611346604
9235062442
10103140740
115324718a
122a65bb18
13184a3231
14d9aba3a
1590c5345
hex625cd84

103140740 has 48 divisors (see below), whose sum is σ = 237928320. Its totient is φ = 37382400.

The previous prime is 103140731. The next prime is 103140743. The reversal of 103140740 is 47041301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (103140743) 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, 2840 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (4956840).

Almost surely, 2103140740 is an apocalyptic number.

103140740 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 103140740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118964160).

103140740 is an abundant number, since it is smaller than the sum of its proper divisors (134787580).

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

103140740 is a wasteful number, since it uses less digits than its factorization.

103140740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852 (or 11850 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 103140740 is about 10155.8229602529. The cubic root of 103140740 is about 468.9682210014.

The spelling of 103140740 in words is "one hundred three million, one hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 11801 23602 47204 59005 118010 224219 236020 271423 448438 542846 896876 1085692 1121095 1357115 2242190 2714230 4484380 5157037 5428460 10314074 20628148 25785185 51570370 103140740