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103021023 = 3710945007
BaseRepresentation
bin1100010001111…
…11100111011111
321011212000021110
412020333213133
5202333133043
614120033103
72360443560
oct610774737
9234760243
10103021023
1153175246
122a602793
13184608b1
14d97a167
15909eb33
hex623f9df

103021023 has 16 divisors (see below), whose sum is σ = 158428160. Its totient is φ = 58327776.

The previous prime is 103021013. The next prime is 103021033. The reversal of 103021023 is 320120301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103021013) and next prime (103021033).

It is not a de Polignac number, because 103021023 - 26 = 103020959 is a prime.

It is a super-2 number, since 2×1030210232 = 21226662359933058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20215 + ... + 24792.

It is an arithmetic number, because the mean of its divisors is an integer number (9901760).

Almost surely, 2103021023 is an apocalyptic number.

103021023 is a deficient number, since it is larger than the sum of its proper divisors (55407137).

103021023 is a wasteful number, since it uses less digits than its factorization.

103021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45126.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103021023 is about 10149.9272411185. The cubic root of 103021023 is about 468.7867046103.

Adding to 103021023 its reverse (320120301), we get a palindrome (423141324).

It can be divided in two parts, 10302 and 1023, that added together give a triangular number (11325 = T150).

The spelling of 103021023 in words is "one hundred three million, twenty-one thousand, twenty-three".

Divisors: 1 3 7 21 109 327 763 2289 45007 135021 315049 945147 4905763 14717289 34340341 103021023