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30361430 = 25111973199
BaseRepresentation
bin111001111010…
…0011101010110
32010010112001102
41303310131112
530233031210
63002430102
7516032201
oct163643526
963115042
1030361430
1116157aa0
12a202332
1363a0658
144064938
1529eaea5
hex1cf4756

30361430 has 64 divisors (see below), whose sum is σ = 63936000. Its totient is φ = 10264320.

The previous prime is 30361427. The next prime is 30361433. The reversal of 30361430 is 3416303.

It is an interprime number because it is at equal distance from previous prime (30361427) and next prime (30361433).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30361433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152471 + ... + 152669.

It is an arithmetic number, because the mean of its divisors is an integer number (999000).

Almost surely, 230361430 is an apocalyptic number.

30361430 is an abundant number, since it is smaller than the sum of its proper divisors (33574570).

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

30361430 is a wasteful number, since it uses less digits than its factorization.

30361430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 30361430 is about 5510.1206883334. The cubic root of 30361430 is about 311.9661027715.

Adding to 30361430 its reverse (3416303), we get a palindrome (33777733).

The spelling of 30361430 in words is "thirty million, three hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 55 73 95 110 146 190 199 209 365 398 418 730 803 995 1045 1387 1606 1990 2090 2189 2774 3781 4015 4378 6935 7562 8030 10945 13870 14527 15257 18905 21890 29054 30514 37810 41591 72635 76285 83182 145270 152570 159797 207955 276013 319594 415910 552026 798985 1380065 1597970 2760130 3036143 6072286 15180715 30361430