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741020 = 22576779
BaseRepresentation
bin10110100111010011100
31101122111012
42310322130
5142203040
623514352
76204260
oct2647234
91348435
10741020
11466815
122b89b8
131cc397
141540a0
15e9865
hexb4e9c

741020 has 48 divisors (see below), whose sum is σ = 1827840. Its totient is φ = 247104.

The previous prime is 741011. The next prime is 741031. The reversal of 741020 is 20147.

It is a happy number.

It is a super-2 number, since 2×7410202 = 1098221280800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 740986 and 741004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9341 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2741020 is an apocalyptic number.

741020 is a gapful number since it is divisible by the number (70) 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 741020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913920).

741020 is an abundant number, since it is smaller than the sum of its proper divisors (1086820).

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

741020 is a wasteful number, since it uses less digits than its factorization.

741020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 741020 is about 860.8251855052. The cubic root of 741020 is about 90.4919561850.

Adding to 741020 its reverse (20147), we get a palindrome (761167).

The spelling of 741020 in words is "seven hundred forty-one thousand, twenty", and thus it is an iban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 79 134 140 158 268 316 335 395 469 553 670 790 938 1106 1340 1580 1876 2212 2345 2765 4690 5293 5530 9380 10586 11060 21172 26465 37051 52930 74102 105860 148204 185255 370510 741020