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103069428 = 223711331337
BaseRepresentation
bin1100010010010…
…11011011110100
321011221110200020
412021023123310
5202341210203
614121045140
72361034650
oct611133364
9234843606
10103069428
11531a8650
122a6267b0
1318479937
14d98da60
1590ae153
hex624b6f4

103069428 has 96 divisors (see below), whose sum is σ = 301636608. Its totient is φ = 26611200.

The previous prime is 103069427. The next prime is 103069441. The reversal of 103069428 is 824960301.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103069423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305676 + ... + 306012.

It is an arithmetic number, because the mean of its divisors is an integer number (3142048).

Almost surely, 2103069428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103069428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150818304).

103069428 is an abundant number, since it is smaller than the sum of its proper divisors (198567180).

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

103069428 is a wasteful number, since it uses less digits than its factorization.

103069428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 103069428 is about 10152.3114609433. The cubic root of 103069428 is about 468.8601137934.

The spelling of 103069428 in words is "one hundred three million, sixty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 331 337 462 662 674 924 993 1011 1324 1348 1986 2022 2317 2359 3641 3707 3972 4044 4634 4718 6951 7077 7282 7414 9268 9436 10923 11121 13902 14154 14564 14828 21846 22242 25487 25949 27804 28308 43692 44484 50974 51898 76461 77847 101948 103796 111547 152922 155694 223094 305844 311388 334641 446188 669282 780829 1227017 1338564 1561658 2342487 2454034 3123316 3681051 4684974 4908068 7362102 8589119 9369948 14724204 17178238 25767357 34356476 51534714 103069428