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20241480 = 2335724097
BaseRepresentation
bin100110100110…
…1110001001000
31102002101002110
41031031301020
520140211410
62001502320
7334023030
oct115156110
942071073
1020241480
11104757a6
1269419a0
13426930c
14298c8c0
151b9c720
hex134dc48

20241480 has 64 divisors (see below), whose sum is σ = 69402240. Its totient is φ = 4626432.

The previous prime is 20241469. The next prime is 20241491. The reversal of 20241480 is 8414202.

It is an interprime number because it is at equal distance from previous prime (20241469) and next prime (20241491).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 11209 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (1084410).

Almost surely, 220241480 is an apocalyptic number.

20241480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20241480 is an abundant number, since it is smaller than the sum of its proper divisors (49160760).

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

20241480 is a wasteful number, since it uses less digits than its factorization.

20241480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24118 (or 24114 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 20241480 is about 4499.0532337371. The cubic root of 20241480 is about 272.5298567292.

Adding to 20241480 its reverse (8414202), we get a palindrome (28655682).

The spelling of 20241480 in words is "twenty million, two hundred forty-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 24097 48194 72291 96388 120485 144582 168679 192776 240970 289164 337358 361455 481940 506037 578328 674716 722910 843395 963880 1012074 1349432 1445820 1686790 2024148 2530185 2891640 3373580 4048296 5060370 6747160 10120740 20241480