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22941030 = 2357293767
BaseRepresentation
bin101011110000…
…0110101100110
31121011112011210
41113200311212
521333103110
62135412250
7365665320
oct127406546
947145153
1022941030
1111a49a32
127824086
1349a2c98
143092610
152032520
hex15e0d66

22941030 has 64 divisors (see below), whose sum is σ = 65111040. Its totient is φ = 5061504.

The previous prime is 22941019. The next prime is 22941043. The reversal of 22941030 is 3014922.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22940988 and 22941006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4207 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1017360).

Almost surely, 222941030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22941030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32555520).

22941030 is an abundant number, since it is smaller than the sum of its proper divisors (42170010).

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

22941030 is a wasteful number, since it uses less digits than its factorization.

22941030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22941030 is about 4789.6795299895. The cubic root of 22941030 is about 284.1434423830.

Adding to 22941030 its reverse (3014922), we get a palindrome (25955952).

The spelling of 22941030 in words is "twenty-two million, nine hundred forty-one thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 609 870 1015 1218 2030 3045 3767 6090 7534 11301 18835 22602 26369 37670 52738 56505 79107 109243 113010 131845 158214 218486 263690 327729 395535 546215 655458 764701 791070 1092430 1529402 1638645 2294103 3277290 3823505 4588206 7647010 11470515 22941030