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1144349972 = 221601178693
BaseRepresentation
bin100010000110101…
…0110010100010100
32221202022000001022
41010031112110110
54320423144342
6305315220312
740233546203
oct10415262424
92852260038
101144349972
11537a57087
1227b2a7698
1315310b47c
14abda523a
156a6e69d2
hex44356514

1144349972 has 12 divisors (see below), whose sum is σ = 2003874516. Its totient is φ = 571814400.

The previous prime is 1144349963. The next prime is 1144350001. The reversal of 1144349972 is 2799434411.

It can be written as a sum of positive squares in 2 ways, for example, as 1109822596 + 34527376 = 33314^2 + 5876^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82943 + ... + 95750.

It is an arithmetic number, because the mean of its divisors is an integer number (166989543).

Almost surely, 21144349972 is an apocalyptic number.

It is an amenable number.

1144349972 is a deficient number, since it is larger than the sum of its proper divisors (859524544).

1144349972 is a wasteful number, since it uses less digits than its factorization.

1144349972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180298 (or 180296 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1144349972 is about 33828.2422245082. The cubic root of 1144349972 is about 1045.9709456008.

The spelling of 1144349972 in words is "one billion, one hundred forty-four million, three hundred forty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 1601 3202 6404 178693 357386 714772 286087493 572174986 1144349972