Search a number
-
+
100309430 = 25131097079
BaseRepresentation
bin1011111101010…
…01100110110110
320222202020200002
411332221212312
5201134400210
613541551302
72325421214
oct576514666
9228666602
10100309430
1151692a61
1229715532
1317a215c0
14d471cb4
158c164a5
hex5fa99b6

100309430 has 32 divisors (see below), whose sum is σ = 196257600. Its totient is φ = 36692352.

The previous prime is 100309427. The next prime is 100309441. The reversal of 100309430 is 34903001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10631 + ... + 17709.

It is an arithmetic number, because the mean of its divisors is an integer number (6133050).

Almost surely, 2100309430 is an apocalyptic number.

100309430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100309430 is a deficient number, since it is larger than the sum of its proper divisors (95948170).

100309430 is a wasteful number, since it uses less digits than its factorization.

100309430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 100309430 is about 10015.4595501155. The cubic root of 100309430 is about 464.6371393550.

The spelling of 100309430 in words is "one hundred million, three hundred nine thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 109 130 218 545 1090 1417 2834 7079 7085 14158 14170 35395 70790 92027 184054 460135 771611 920270 1543222 3858055 7716110 10030943 20061886 50154715 100309430