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103020411 = 3132641549
BaseRepresentation
bin1100010001111…
…11011101111011
321011211222102210
412020333131323
5202333123121
614120030203
72360442024
oct610773573
9234758383
10103020411
115317483a
122a602363
1318460530
14d979c4b
15909e876
hex623f77b

103020411 has 8 divisors (see below), whose sum is σ = 147926800. Its totient is φ = 63397152.

The previous prime is 103020403. The next prime is 103020433. The reversal of 103020411 is 114020301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103020411 - 23 = 103020403 is a prime.

It is a super-2 number, since 2×1030204112 = 21226410165217842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103020461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320736 + ... + 1320813.

It is an arithmetic number, because the mean of its divisors is an integer number (18490850).

Almost surely, 2103020411 is an apocalyptic number.

103020411 is a deficient number, since it is larger than the sum of its proper divisors (44906389).

103020411 is a wasteful number, since it uses less digits than its factorization.

103020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641565.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103020411 is about 10149.8970930744. The cubic root of 103020411 is about 468.7857763272.

Adding to 103020411 its reverse (114020301), we get a palindrome (217040712).

The spelling of 103020411 in words is "one hundred three million, twenty thousand, four hundred eleven".

Divisors: 1 3 13 39 2641549 7924647 34340137 103020411