Search a number
-
+
100023070 = 2571784053
BaseRepresentation
bin1011111011000…
…11101100011110
320222012200212011
411331203230132
5201101214240
613531501434
72323116310
oct575435436
9228180764
10100023070
11515078a4
12295b787a
1317951164
14d3d97b0
158bab6ea
hex5f63b1e

100023070 has 32 divisors (see below), whose sum is σ = 217867968. Its totient is φ = 32275968.

The previous prime is 100023043. The next prime is 100023101. The reversal of 100023070 is 70320001.

It is a super-2 number, since 2×1000230702 = 20009229064449800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100023070.

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, 40837 + ... + 43216.

It is an arithmetic number, because the mean of its divisors is an integer number (6808374).

Almost surely, 2100023070 is an apocalyptic number.

100023070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100023070 is an abundant number, since it is smaller than the sum of its proper divisors (117844898).

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

100023070 is a wasteful number, since it uses less digits than its factorization.

100023070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84084.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 100023070 is about 10001.1534334796. The cubic root of 100023070 is about 464.1945744349.

Adding to 100023070 its reverse (70320001), we get a palindrome (170343071).

The spelling of 100023070 in words is "one hundred million, twenty-three thousand, seventy".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 84053 168106 420265 588371 840530 1176742 1428901 2857802 2941855 5883710 7144505 10002307 14289010 20004614 50011535 100023070