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141772240 = 2455873019
BaseRepresentation
bin10000111001101…
…00010111010000
3100212202202221201
420130310113100
5242243202430
622022400544
73341021101
oct1034642720
9325682851
10141772240
1173032645
123b590154
13234aabcc
1414b863a8
15c6a68ca
hex87345d0

141772240 has 40 divisors (see below), whose sum is σ = 330291360. Its totient is φ = 56593536.

The previous prime is 141772237. The next prime is 141772249. The reversal of 141772240 is 42277141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 141772199 and 141772208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141772249) 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, 45451 + ... + 48469.

It is an arithmetic number, because the mean of its divisors is an integer number (8257284).

Almost surely, 2141772240 is an apocalyptic number.

141772240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141772240 is an abundant number, since it is smaller than the sum of its proper divisors (188519120).

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

141772240 is a wasteful number, since it uses less digits than its factorization.

141772240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 141772240 is about 11906.8148553675. The cubic root of 141772240 is about 521.4312640310.

The spelling of 141772240 in words is "one hundred forty-one million, seven hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 587 1174 2348 2935 3019 4696 5870 6038 9392 11740 12076 15095 23480 24152 30190 46960 48304 60380 120760 241520 1772153 3544306 7088612 8860765 14177224 17721530 28354448 35443060 70886120 141772240