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3525400144 = 247191656673
BaseRepresentation
bin1101001000100001…
…0101011001010000
3100002200122212211201
43102020111121100
524210000301034
61341453320544
7153235256350
oct32210253120
910080585751
103525400144
111549aa6342
12824796154
134424c09b6
142562d0b60
15159778014
hexd2215650

3525400144 has 40 divisors (see below), whose sum is σ = 8217103040. Its totient is φ = 1431364608.

The previous prime is 3525400139. The next prime is 3525400157. The reversal of 3525400144 is 4410045253.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826209 + ... + 830464.

It is an arithmetic number, because the mean of its divisors is an integer number (205427576).

Almost surely, 23525400144 is an apocalyptic number.

It is an amenable number.

3525400144 is an abundant number, since it is smaller than the sum of its proper divisors (4691702896).

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

3525400144 is a wasteful number, since it uses less digits than its factorization.

3525400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656707 (or 1656701 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3525400144 is about 59375.0801599459. The cubic root of 3525400144 is about 1521.9584842273.

Adding to 3525400144 its reverse (4410045253), we get a palindrome (7935445397).

The spelling of 3525400144 in words is "three billion, five hundred twenty-five million, four hundred thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 1656673 3313346 6626692 11596711 13253384 23193422 26506768 31476787 46386844 62953574 92773688 125907148 185547376 220337509 251814296 440675018 503628592 881350036 1762700072 3525400144