Search a number
-
+
30706610 = 25112353229
BaseRepresentation
bin111010100100…
…0101110110010
32010210001112212
41311020232302
530330102420
63014052122
7522000434
oct165105662
963701485
1030706610
1116373370
12a34a042
1364917bc
144114654
152a683c5
hex1d48bb2

30706610 has 64 divisors (see below), whose sum is σ = 64385280. Its totient is φ = 10433280.

The previous prime is 30706579. The next prime is 30706631. The reversal of 30706610 is 1660703.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 133976 + ... + 134204.

It is an arithmetic number, because the mean of its divisors is an integer number (1006020).

Almost surely, 230706610 is an apocalyptic number.

30706610 is an abundant number, since it is smaller than the sum of its proper divisors (33678670).

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

30706610 is a wasteful number, since it uses less digits than its factorization.

30706610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30706610 is about 5541.3545275501. The cubic root of 30706610 is about 313.1439011410.

The spelling of 30706610 in words is "thirty million, seven hundred six thousand, six hundred ten".

Divisors: 1 2 5 10 11 22 23 46 53 55 106 110 115 229 230 253 265 458 506 530 583 1145 1166 1219 1265 2290 2438 2519 2530 2915 5038 5267 5830 6095 10534 12137 12190 12595 13409 24274 25190 26335 26818 52670 57937 60685 67045 115874 121370 133507 134090 267014 279151 289685 558302 579370 667535 1335070 1395755 2791510 3070661 6141322 15353305 30706610