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1541065428 = 2232731197269
BaseRepresentation
bin101101111011010…
…1100101011010100
310222101210020100100
41123312230223110
511124003043203
6412530214100
753121561060
oct13366545324
93871706310
101541065428
117209892a1
12370124330
131b736ca46
14108952aa0
159045bea3
hex5bdacad4

1541065428 has 72 divisors (see below), whose sum is σ = 4595601920. Its totient is φ = 426098880.

The previous prime is 1541065363. The next prime is 1541065441. The reversal of 1541065428 is 8245601451.

It is a happy number.

1541065428 is a `hidden beast` number, since 1 + 5 + 4 + 106 + 542 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1541065392 and 1541065401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90823 + ... + 106446.

Almost surely, 21541065428 is an apocalyptic number.

1541065428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1541065428 is an abundant number, since it is smaller than the sum of its proper divisors (3054536492).

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

1541065428 is a wasteful number, since it uses less digits than its factorization.

1541065428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197317 (or 197312 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1541065428 is about 39256.4062033192. The cubic root of 1541065428 is about 1155.0665998590.

Adding to 1541065428 its reverse (8245601451), we get a palindrome (9786666879).

The spelling of 1541065428 in words is "one billion, five hundred forty-one million, sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 124 126 186 217 252 279 372 434 558 651 868 1116 1302 1953 2604 3906 7812 197269 394538 591807 789076 1183614 1380883 1775421 2367228 2761766 3550842 4142649 5523532 6115339 7101684 8285298 12230678 12427947 16570596 18346017 24461356 24855894 36692034 42807373 49711788 55038051 73384068 85614746 110076102 128422119 171229492 220152204 256844238 385266357 513688476 770532714 1541065428